Changes between Initial Version and Version 1 of Ticket #7818


Ignore:
Timestamp:
Oct 19, 2022, 10:05:01 AM (3 years ago)
Author:
Eric Pettersen
Comment:

Legend:

Unmodified
Added
Removed
Modified

  • Ticket #7818

    • Property Cc Tom Goddard added
    • Property Component Unassigned → Platform
    • Property Owner set to Eric Pettersen
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Status new → accepted
    • Property Summary ChimeraX bug report submission → Crash using File→Open on Windows and/or in return statement and/or SystemError: unknown opcode

  • Ticket #7818 – Description

    initial v1  
    955955  File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    956956
    957 Thread 0x00007378 (most recent call first):
    958   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    959   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    960   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    961   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    962   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    964   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    965 Windows fatal exception: code 0x8001010e
    966 
    967 Thread 0x000079cc (most recent call first):
    968   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    970   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    971   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    972 
    973 Thread 0x00007ab0 (most recent call first):
    974   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    978 
    979 Thread 0x000026f4 (most recent call first):
    980   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    981   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    982   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    983   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    984   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    985   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    986   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    987 
    988 Thread 0x000057ac (most recent call first):
    989   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    990   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    991   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    992   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    993 
    994 Thread 0x00001ea8 (most recent call first):
    995   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    997   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    998   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    999 
    1000 Thread 0x000079a0 (most recent call first):
    1001   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1003   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1004   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1005 
    1006 Thread 0x00005db8 (most recent call first):
    1007   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1009   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1010   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1011 
    1012 Thread 0x00007dac (most recent call first):
    1013   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1015   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1016   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1017 
    1018 Thread 0x00002590 (most recent call first):
    1019   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1020   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1021   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1022   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1023 
    1024 Thread 0x000008dc (most recent call first):
    1025   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1026   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1027   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1028   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1029 
    1030 Thread 0x00006b10 (most recent call first):
    1031   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.pyWindows fatal exception: "code 0x, line 8001010e114
    1032 
    1033  in Windows fatal exception: workercode 0x
    1034 8001010e  File
    1035 
    1036 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    1037 
    1038 910Windows fatal exception:  in code 0xrun8001010e
    1039 
    1040 
    1041   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    1042 
    1043 , line Windows fatal exception: 973code 0x in 8001010e_bootstrap_inner
    1044 
    1045 
    1046 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    1047 
    1048 "Windows fatal exception: , line code 0x9308001010e in
    1049 
    1050 _bootstrapWindows fatal exception:
    1051 code 0x
    1052 8001010eThread 0x
    1053 
    1054 00007378Windows fatal exception:  (most recent call first):
    1055 code 0x  File 8001010e"
    1056 
    1057 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.pyWindows fatal exception: "code 0x, line 8001010e135
    1058 
    1059  in show_open_file_dialog
    1060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1061   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1062   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1063   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1064   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1065   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1066 Windows fatal exception: code 0x8001010e
    1067 
    1068 Thread 0x000079cc (most recent call first):
    1069   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1070   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1071   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1073 
    1074 Thread 0x00007ab0 (most recent call first):
    1075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1076   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1077   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1079 
    1080 Thread 0x000026f4 (most recent call first):
    1081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1082   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1083   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1085   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1086   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1088 
    1089 Thread 0x000057ac (most recent call first):
    1090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1091   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1092   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1094 
    1095 Thread 0x00001ea8 (most recent call first):
    1096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1097   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1098   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1099   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1100 
    1101 Thread 0x000079a0 (most recent call first):
    1102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1103   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1104   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1105   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1106 
    1107 Thread 0x00005db8 (most recent call first):
    1108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1109   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1110   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1111   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1112 
    1113 Thread 0x00007dac (most recent call first):
    1114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1115   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1116   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1117   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1118 
    1119 Thread 0x00002590 (most recent call first):
    1120   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1121   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1122   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1123   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1124 
    1125 Thread 0x000008dc (most recent call first):
    1126   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1127   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1128   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1129   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1130 
    1131 Thread 0x00006b10 (most recent call first):
    1132   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1133   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1134   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1135   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1136 
    1137 Thread 0x00007378 (most recent call first):
    1138   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1139   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1140   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1141   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1142   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1143   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1144   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1145 Windows fatal exception: code 0x8001010e
    1146 
    1147 Thread 0x000079cc (most recent call first):
    1148   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1149   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1150   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1152 
    1153 Thread 0x00007ab0 (most recent call first):
    1154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1155   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1156   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1158 
    1159 Thread 0x000026f4 (most recent call first):
    1160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1161   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1162   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1163   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1164   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1165   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1167 
    1168 Thread 0x000057ac (most recent call first):
    1169   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1170   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1171   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1173 
    1174 Thread 0x00001ea8 (most recent call first):
    1175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1176   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1177   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1178   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1179 
    1180 Thread 0x000079a0 (most recent call first):
    1181   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1182   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1183   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1184   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1185 
    1186 Thread 0x00005db8 (most recent call first):
    1187   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1188   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1189   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1190   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1191 
    1192 Thread 0x00007dac (most recent call first):
    1193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1194   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1195   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1196   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1197 
    1198 Thread 0x00002590 (most recent call first):
    1199   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1200   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1201   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1202   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1203 
    1204 Thread 0x000008dc (most recent call first):
    1205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1206   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1207   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1208   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1209 
    1210 Thread 0x00006b10 (most recent call first):
    1211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1212   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1213   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1215 
    1216 Thread 0x00007378 (most recent call first):
    1217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1218   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1219   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1220   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1221   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1222   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1224 Windows fatal exception: code 0x8001010e
    1225 
    1226 Thread 0x000079cc (most recent call first):
    1227   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1228   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1229   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1230   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1231 
    1232 Thread 0x00007ab0 (most recent call first):
    1233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1234   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1235   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1236   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1237 
    1238 Thread 0x000026f4 (most recent call first):
    1239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1240   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1241   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1242   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1243   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1246 
    1247 Thread 0x000057ac (most recent call first):
    1248   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1249   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1250   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1252 
    1253 Thread 0x00001ea8 (most recent call first):
    1254   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1255   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1256   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1258 
    1259 Thread 0x000079a0 (most recent call first):
    1260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1261   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1262   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1263   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1264 
    1265 Thread 0x00005db8 (most recent call first):
    1266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1267   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1268   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1270 
    1271 Thread 0x00007dac (most recent call first):
    1272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1273   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1274   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1275   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1276 
    1277 Thread 0x00002590 (most recent call first):
    1278   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1279   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1280   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1281   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1282 
    1283 Thread 0x000008dc (most recent call first):
    1284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1285   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1286   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1287   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1288 
    1289 Thread 0x00006b10 (most recent call first):
    1290   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1291   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1292   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1293   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1294 
    1295 Thread 0x00007378 (most recent call first):
    1296   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1297   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1298   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1299   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1300   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1301   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1302   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1303 Windows fatal exception: code 0x8001010e
    1304 
    1305 Thread 0x000079cc (most recent call first):
    1306   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1307   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1308   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1309   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1310 
    1311 Thread 0x00007ab0 (most recent call first):
    1312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1313   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1314   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1315   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1316 
    1317 Thread 0x000026f4 (most recent call first):
    1318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1319   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1320   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1321   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1322   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1323   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1325 
    1326 Thread 0x000057ac (most recent call first):
    1327   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1328   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1329   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1331 
    1332 Thread 0x00001ea8 (most recent call first):
    1333   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1334   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1335   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1336   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1337 
    1338 Thread 0x000079a0 (most recent call first):
    1339   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1340   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1341   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1342   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1343 
    1344 Thread 0x00005db8 (most recent call first):
    1345   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1346   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1347   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1348   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1349 
    1350 Thread 0x00007dac (most recent call first):
    1351   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1352   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1353   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1354   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1355 
    1356 Thread 0x00002590 (most recent call first):
    1357   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1358   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1359   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1360   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1361 
    1362 Thread 0x000008dc (most recent call first):
    1363   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1364   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1365   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1366   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1367 
    1368 Thread 0x00006b10 (most recent call first):
    1369   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1370   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1371   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1372   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1373 
    1374 Thread 0x00007378 (most recent call first):
    1375   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1376   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1377   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1378   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1379   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1380   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1381   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1382 Windows fatal exception: code 0x8001010e
    1383 
    1384 Thread 0x000079cc (most recent call first):
    1385   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1386   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1387   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1388   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1389 
    1390 Thread 0x00007ab0 (most recent call first):
    1391   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1392   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1393   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1394   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1395 
    1396 Thread 0x000026f4 (most recent call first):
    1397   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1398   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1399   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1400   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1401   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1402   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1403   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1404 
    1405 Thread 0x000057ac (most recent call first):
    1406   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1407   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1408   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1409   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1410 
    1411 Thread 0x00001ea8 (most recent call first):
    1412   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1413   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1414   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1415   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1416 
    1417 Thread 0x000079a0 (most recent call first):
    1418   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1419   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1420   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1421   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1422 
    1423 Thread 0x00005db8 (most recent call first):
    1424   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1425   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1426   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1427   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1428 
    1429 Thread 0x00007dac (most recent call first):
    1430   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1431   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1432   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1433   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1434 
    1435 Thread 0x00002590 (most recent call first):
    1436   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1437   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1438   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1439   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1440 
    1441 Thread 0x000008dc (most recent call first):
    1442   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1443   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1444   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1445   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1446 
    1447 Thread 0x00006b10 (most recent call first):
    1448   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1449   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1450   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1451   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1452 
    1453 Thread 0x00007378 (most recent call first):
    1454   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1455   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1456   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1457   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1458   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1459   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1460   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1461 Windows fatal exception: code 0x8001010e
    1462 
    1463 Thread 0x000079cc (most recent call first):
    1464   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1465   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1466   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1467   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1468 
    1469 Thread 0x00007ab0 (most recent call first):
    1470   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1471   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1472   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1473   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1474 
    1475 Thread 0x000026f4 (most recent call first):
    1476   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1477   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1478   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1479   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1480   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1481   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1482   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1483 
    1484 Thread 0x000057ac (most recent call first):
    1485   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1486   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1487   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1488   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1489 
    1490 Thread 0x00001ea8 (most recent call first):
    1491   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1492   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1493   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1494   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1495 
    1496 Thread 0x000079a0 (most recent call first):
    1497   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1498   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1499   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1500   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1501 
    1502 Thread 0x00005db8 (most recent call first):
    1503   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1504   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1505   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1506   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1507 
    1508 Thread 0x00007dac (most recent call first):
    1509   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1510   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1511   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1512   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1513 
    1514 Thread 0x00002590 (most recent call first):
    1515   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1516   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1517   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1518   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1519 
    1520 Thread 0x000008dc (most recent call first):
    1521   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1522   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1523   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1524   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1525 
    1526 Thread 0x00006b10 (most recent call first):
    1527   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1528   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1529   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1530   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1531 
    1532 Thread 0x00007378 (most recent call first):
    1533   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1534   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1535   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1536   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1537   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1538   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1539   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1540 Windows fatal exception: code 0x8001010e
    1541 
    1542 Thread 0x000079cc (most recent call first):
    1543   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1544   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1545   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1546   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1547 
    1548 Thread 0x00007ab0 (most recent call first):
    1549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1550   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1551   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1552   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1553 
    1554 Thread 0x000026f4 (most recent call first):
    1555   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1556   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1557   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1558   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1559   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1560   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1561   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1562 
    1563 Thread 0x000057ac (most recent call first):
    1564   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1565   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1566   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1567   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1568 
    1569 Thread 0x00001ea8 (most recent call first):
    1570   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1571   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1572   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1573   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1574 
    1575 Thread 0x000079a0 (most recent call first):
    1576   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1577   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1578   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1579   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1580 
    1581 Thread 0x00005db8 (most recent call first):
    1582   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1583   File "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    1584 
    1585 910 in Windows fatal exception: runcode 0x
    1586 8001010e  File
    1587 
    1588 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    1589 
    1590 973Windows fatal exception:  in code 0x_bootstrap_inner8001010e
    1591 
    1592 
    1593   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    1594 
    1595 , line Windows fatal exception: 930code 0x in 8001010e_bootstrap
    1596 
    1597 
    1598 Windows fatal exception:
    1599 code 0xThread 0x8001010e00007dac
    1600 
    1601  (most recent call first):
    1602 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py
    1603 
    1604 "Windows fatal exception: , line code 0x1148001010e in
    1605 
    1606 workerWindows fatal exception:
    1607 code 0x  File 8001010e"
    1608 
    1609 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e910
    1610 
    1611  in run
    1612   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1613   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1614 
    1615 Thread 0x00002590 (most recent call first):
    1616   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1617   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1618   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1619   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1620 
    1621 Thread 0x000008dc (most recent call first):
    1622   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1623   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1624   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1625   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1626 
    1627 Thread 0x00006b10 (most recent call first):
    1628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1629   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1630   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1631   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1632 
    1633 Thread 0x00007378 (most recent call first):
    1634   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1635   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1636   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1637   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1638   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1639   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1640   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1641 Windows fatal exception: code 0x8001010e
    1642 
    1643 Thread 0x000079cc (most recent call first):
    1644   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1645   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1646   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1648 
    1649 Thread 0x00007ab0 (most recent call first):
    1650   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1651   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1652   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1653   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1654 
    1655 Thread 0x000026f4 (most recent call first):
    1656   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1657   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1658   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1659   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1660   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1661   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1662   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1663 
    1664 Thread 0x000057ac (most recent call first):
    1665   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1666   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1667   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1668   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1669 
    1670 Thread 0x00001ea8 (most recent call first):
    1671   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1672   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1673   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1674   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1675 
    1676 Thread 0x000079a0 (most recent call first):
    1677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1678   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1679   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1680   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1681 
    1682 Thread 0x00005db8 (most recent call first):
    1683   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1684   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1685   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1686   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1687 
    1688 Thread 0x00007dac (most recent call first):
    1689   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1690   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1691   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1692   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1693 
    1694 Thread 0x00002590 (most recent call first):
    1695   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1696   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1697   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1698   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1699 
    1700 Thread 0x000008dc (most recent call first):
    1701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1702   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1703   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1704   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1705 
    1706 Thread 0x00006b10 (most recent call first):
    1707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1708   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1709   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1710   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1711 
    1712 Thread 0x00007378 (most recent call first):
    1713   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1714   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1715   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1716   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1717   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1718   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1719   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1720 Windows fatal exception: code 0x8001010e
    1721 
    1722 Thread 0x000079cc (most recent call first):
    1723   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1724   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1725   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1727 
    1728 Thread 0x00007ab0 (most recent call first):
    1729   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1730   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1731   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1732   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1733 
    1734 Thread 0x000026f4 (most recent call first):
    1735   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1736   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1737   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1738   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1739   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1740   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1741   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1742 
    1743 Thread 0x000057ac (most recent call first):
    1744   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1745   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1746   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1747   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1748 
    1749 Thread 0x00001ea8 (most recent call first):
    1750   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1751   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1752   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1753   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1754 
    1755 Thread 0x000079a0 (most recent call first):
    1756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1757   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1758   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1759   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1760 
    1761 Thread 0x00005db8 (most recent call first):
    1762   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1763   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1764   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1765   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1766 
    1767 Thread 0x00007dac (most recent call first):
    1768   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1769   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1770   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1771   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1772 
    1773 Thread 0x00002590 (most recent call first):
    1774   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1775   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1776   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1777   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1778 
    1779 Thread 0x000008dc (most recent call first):
    1780   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1781   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1782   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1783   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1784 
    1785 Thread 0x00006b10 (most recent call first):
    1786   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1787   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1788   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1789   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1790 
    1791 Thread 0x00007378 (most recent call first):
    1792   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1793   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1794   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1795   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1796   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1797   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1798   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1799 Windows fatal exception: code 0x8001010e
    1800 
    1801 Thread 0x000079cc (most recent call first):
    1802   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1803   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1804   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1805   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1806 
    1807 Thread 0x00007ab0 (most recent call first):
    1808   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1809   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1810   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1811   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1812 
    1813 Thread 0x000026f4 (most recent call first):
    1814   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1815   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1816   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1817   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1818   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1819   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1820   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1821 
    1822 Thread 0x000057ac (most recent call first):
    1823   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1824   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1825   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1826   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1827 
    1828 Thread 0x00001ea8 (most recent call first):
    1829   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1830   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1831   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1832   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1833 
    1834 Thread 0x000079a0 (most recent call first):
    1835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1836   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1837   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1839 
    1840 Thread 0x00005db8 (most recent call first):
    1841   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1842   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1843   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1845 
    1846 Thread 0x00007dac (most recent call first):
    1847   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1848   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1849   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1850   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1851 
    1852 Thread 0x00002590 (most recent call first):
    1853   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1854   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1855   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1856   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1857 
    1858 Thread 0x000008dc (most recent call first):
    1859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1860   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1861   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1862   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1863 
    1864 Thread 0x00006b10 (most recent call first):
    1865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1866   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1867   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1868   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1869 
    1870 Thread 0x00007378 (most recent call first):
    1871   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1872   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1873   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1874   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1875   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1876   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1877   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1878 Windows fatal exception: code 0x8001010e
    1879 
    1880 Thread 0x000079cc (most recent call first):
    1881   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1882   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1883   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1884   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1885 
    1886 Thread 0x00007ab0 (most recent call first):
    1887   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1888   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1889   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1890   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1891 
    1892 Thread 0x000026f4 (most recent call first):
    1893   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1894   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1895   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1896   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1897   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1898   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1899   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1900 
    1901 Thread 0x000057ac (most recent call first):
    1902   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1903   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1904   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1905   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1906 
    1907 Thread 0x00001ea8 (most recent call first):
    1908   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1909   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1910   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1911   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1912 
    1913 Thread 0x000079a0 (most recent call first):
    1914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1915   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1916   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1918 
    1919 Thread 0x00005db8 (most recent call first):
    1920   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1921   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1922   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1924 
    1925 Thread 0x00007dac (most recent call first):
    1926   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1927   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1928   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1929   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1930 
    1931 Thread 0x00002590 (most recent call first):
    1932   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1933   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1934   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1935   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1936 
    1937 Thread 0x000008dc (most recent call first):
    1938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1939   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1940   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1941   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1942 
    1943 Thread 0x00006b10 (most recent call first):
    1944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1945   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1946   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1947   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1948 
    1949 Thread 0x00007378 (most recent call first):
    1950   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1951   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1952   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1953   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    1954   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    1955   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    1956   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    1957 Windows fatal exception: code 0x8001010e
    1958 
    1959 Thread 0x000079cc (most recent call first):
    1960   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1961   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1962   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1964 
    1965 Thread 0x00007ab0 (most recent call first):
    1966   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1967   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1968   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1970 
    1971 Thread 0x000026f4 (most recent call first):
    1972   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1973   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    1974   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1978   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1979 
    1980 Thread 0x000057ac (most recent call first):
    1981   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1982   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1983   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1984   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1985 
    1986 Thread 0x00001ea8 (most recent call first):
    1987   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1988   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1989   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1990   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1991 
    1992 Thread 0x000079a0 (most recent call first):
    1993   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    1994   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    1995   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    1996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    1997 
    1998 Thread 0x00005db8 (most recent call first):
    1999   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2000   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2001   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2003 
    2004 Thread 0x00007dac (most recent call first):
    2005   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2006   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2007   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2009 
    2010 Thread 0x00002590 (most recent call first):
    2011   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2012   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2013   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2015 
    2016 Thread 0x000008dc (most recent call first):
    2017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2018   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2019   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2020   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2021 
    2022 Thread 0x00006b10 (most recent call first):
    2023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2024   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2025   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2026   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2027 
    2028 Thread 0x00007378 (most recent call first):
    2029   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2030   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2031   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2032   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2033   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2034   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2035   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2036 Windows fatal exception: code 0x8001010e
    2037 
    2038 Thread 0x000079cc (most recent call first):
    2039   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2040   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2041   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2042   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2043 
    2044 Thread 0x00007ab0 (most recent call first):
    2045   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2046   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2047   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2048   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2049 
    2050 Thread 0x000026f4 (most recent call first):
    2051   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2052   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2053   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2054   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2055   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2056   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2057   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2058 
    2059 Thread 0x000057ac (most recent call first):
    2060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2061   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2062   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2063   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2064 
    2065 Thread 0x00001ea8 (most recent call first):
    2066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2067   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2068   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2069   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2070 
    2071 Thread 0x000079a0 (most recent call first):
    2072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2073   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2074   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2076 
    2077 Thread 0x00005db8 (most recent call first):
    2078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2079   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2080   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2082 
    2083 Thread 0x00007dac (most recent call first):
    2084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2085   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2086   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2088 
    2089 Thread 0x00002590 (most recent call first):
    2090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2091   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2092   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2094 
    2095 Thread 0x000008dc (most recent call first):
    2096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2097   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2098   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2099   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2100 
    2101 Thread 0x00006b10 (most recent call first):
    2102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2103   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2104   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2105   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2106 
    2107 Thread 0x00007378 (most recent call first):
    2108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2109   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2110   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2111   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2112   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2115 Windows fatal exception: code 0x8001010e
    2116 
    2117 Thread 0x000079cc (most recent call first):
    2118   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2119   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2120   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2121   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2122 
    2123 Thread 0x00007ab0 (most recent call first):
    2124   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2125   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2126   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2127   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2128 
    2129 Thread 0x000026f4 (most recent call first):
    2130   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2131   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2132   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2133   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2134   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2135   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2136   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2137 
    2138 Thread 0x000057ac (most recent call first):
    2139   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2140   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2141   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2142   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2143 
    2144 Thread 0x00001ea8 (most recent call first):
    2145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2146   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2147   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2148   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2149 
    2150 Thread 0x000079a0 (most recent call first):
    2151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2152   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2153   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2155 
    2156 Thread 0x00005db8 (most recent call first):
    2157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2158   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2159   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2161 
    2162 Thread 0x00007dac (most recent call first):
    2163   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2164   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2165   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2167 
    2168 Thread 0x00002590 (most recent call first):
    2169   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2170   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2171   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2173 
    2174 Thread 0x000008dc (most recent call first):
    2175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2176   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2177   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2178   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2179 
    2180 Thread 0x00006b10 (most recent call first):
    2181   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2182   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2183   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2184   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2185 
    2186 Thread 0x00007378 (most recent call first):
    2187   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2188   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2189   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2190   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2191   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2192   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2194 Windows fatal exception: code 0x8001010e
    2195 
    2196 Thread 0x000079cc (most recent call first):
    2197   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2198   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2199   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2200   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2201 
    2202 Thread 0x00007ab0 (most recent call first):
    2203   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2204   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2206   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2207 
    2208 Thread 0x000026f4 (most recent call first):
    2209   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2210   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2212   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2213   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2215   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2216 
    2217 Thread 0x000057ac (most recent call first):
    2218   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2219   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2220   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2221   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2222 
    2223 Thread 0x00001ea8 (most recent call first):
    2224   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2225   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2226   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2227   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2228 
    2229 Thread 0x000079a0 (most recent call first):
    2230   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2231   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2232   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2234 
    2235 Thread 0x00005db8 (most recent call first):
    2236   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2237   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2238   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2240 
    2241 Thread 0x00007dac (most recent call first):
    2242   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2243   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2246 
    2247 Thread 0x00002590 (most recent call first):
    2248   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2249   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2250   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2252 
    2253 Thread 0x000008dc (most recent call first):
    2254   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2255   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2256   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2258 
    2259 Thread 0x00006b10 (most recent call first):
    2260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2261   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2262   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2263   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2264 
    2265 Thread 0x00007378 (most recent call first):
    2266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2267   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2268   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2270   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2271   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2273 Windows fatal exception: code 0x8001010e
    2274 
    2275 Thread 0x000079cc (most recent call first):
    2276   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2277   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2278   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2279   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2280 
    2281 Thread 0x00007ab0 (most recent call first):
    2282   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2283   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2285   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2286 
    2287 Thread 0x000026f4 (most recent call first):
    2288   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2289   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2290   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2291   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2292   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2293   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2294   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2295 
    2296 Thread 0x000057ac (most recent call first):
    2297   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2298   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2299   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2300   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2301 
    2302 Thread 0x00001ea8 (most recent call first):
    2303   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2304   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2305   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2306   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2307 
    2308 Thread 0x000079a0 (most recent call first):
    2309   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2310   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2311   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2313 
    2314 Thread 0x00005db8 (most recent call first):
    2315   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2316   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2317   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2319 
    2320 Thread 0x00007dac (most recent call first):
    2321   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2322   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2323   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2325 
    2326 Thread 0x00002590 (most recent call first):
    2327   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2328   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2329   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2331 
    2332 Thread 0x000008dc (most recent call first):
    2333   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2334   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2335   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2336   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2337 
    2338 Thread 0x00006b10 (most recent call first):
    2339   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2340   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2341   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2342   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2343 
    2344 Thread 0x00007378 (most recent call first):
    2345   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2346   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2347   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2348   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2349   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2350   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2351   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2352 Windows fatal exception: code 0x8001010e
    2353 
    2354 Thread 0x000079cc (most recent call first):
    2355   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2356   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2357   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2358   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2359 
    2360 Thread 0x00007ab0 (most recent call first):
    2361   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2362   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2363   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2364   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2365 
    2366 Thread 0x000026f4 (most recent call first):
    2367   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2368   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2369   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2370   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2371   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2372   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2373   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2374 
    2375 Thread 0x000057ac (most recent call first):
    2376   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2377   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2378   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2379   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2380 
    2381 Thread 0x00001ea8 (most recent call first):
    2382   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2383   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2384   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2385   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2386 
    2387 Thread 0x000079a0 (most recent call first):
    2388   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2389   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2390   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2391   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2392 
    2393 Thread 0x00005db8 (most recent call first):
    2394   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2395   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2396   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2397   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2398 
    2399 Thread 0x00007dac (most recent call first):
    2400   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2401   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2402   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2403   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2404 
    2405 Thread 0x00002590 (most recent call first):
    2406   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2407   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2408   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2409   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2410 
    2411 Thread 0x000008dc (most recent call first):
    2412   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2413   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2414   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2415   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2416 
    2417 Thread 0x00006b10 (most recent call first):
    2418   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2419   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2420   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2421   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2422 
    2423 Thread 0x00007378 (most recent call first):
    2424   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2425   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2426   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2427   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2428   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2429   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2430   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2431 Windows fatal exception: code 0x8001010e
    2432 
    2433 Thread 0x000079cc (most recent call first):
    2434   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2435   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2436   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2437   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2438 
    2439 Thread 0x00007ab0 (most recent call first):
    2440   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2441   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2442   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2443   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2444 
    2445 Thread 0xWindows fatal exception: 000026f4code 0x (most recent call first):
    2446 8001010e  File
    2447 
    2448 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.pycode 0x"8001010e, line
    2449 
    2450 816Windows fatal exception:  in code 0x_exhaustive_wait8001010e
    2451   File
    2452 
    2453 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.pycode 0x"8001010e, line
    2454 
    2455 884Windows fatal exception:  in code 0xwait8001010e
    2456 
    2457 
    2458   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py8001010e"
    2459 
    2460 , line Windows fatal exception: 499code 0x in 8001010e_wait_for_updates
    2461 
    2462 
    2463 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py
    2464 
    2465 "Windows fatal exception: , line code 0x5198001010e in
    2466 
    2467 _handle_workersWindows fatal exception:
    2468 code 0x  File 8001010e"
    2469 
    2470 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e910
    2471 
    2472  in run
    2473   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2474   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2475 
    2476 Thread 0x000057ac (most recent call first):
    2477   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2478   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2479   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2480   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2481 
    2482 Thread 0x00001ea8 (most recent call first):
    2483   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2484   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2485   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2486   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2487 
    2488 Thread 0x000079a0 (most recent call first):
    2489   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2490   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2491   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2492   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2493 
    2494 Thread 0x00005db8 (most recent call first):
    2495   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2496   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2497   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2498   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2499 
    2500 Thread 0x00007dac (most recent call first):
    2501   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2502   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2503   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2504   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2505 
    2506 Thread 0x00002590 (most recent call first):
    2507   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2508   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2509   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2510   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2511 
    2512 Thread 0x000008dc (most recent call first):
    2513   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2514   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2515   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2516   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2517 
    2518 Thread 0x00006b10 (most recent call first):
    2519   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2520   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2521   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2522   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2523 
    2524 Thread 0x00007378 (most recent call first):
    2525   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2526   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2527   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2528   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2529   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2530   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2531   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2532 Windows fatal exception: code 0x8001010e
    2533 
    2534 Thread 0x000079cc (most recent call first):
    2535   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2536   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2537   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2538   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2539 
    2540 Thread 0x00007ab0 (most recent call first):
    2541   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2542   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2543   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2544   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2545 
    2546 Thread 0x000026f4 (most recent call first):
    2547   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2548   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2550   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2551   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2552   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2553   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2554 
    2555 Thread 0x000057ac (most recent call first):
    2556   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2557   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2558   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2559   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2560 
    2561 Thread 0x00001ea8 (most recent call first):
    2562   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2563   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2564   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2565   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2566 
    2567 Thread 0x000079a0 (most recent call first):
    2568   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2569   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2570   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2571   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2572 
    2573 Thread 0x00005db8 (most recent call first):
    2574   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2575   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2576   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2577   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2578 
    2579 Thread 0x00007dac (most recent call first):
    2580   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2581   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2582   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2583   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2584 
    2585 Thread 0x00002590 (most recent call first):
    2586   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2587   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2588   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2589   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2590 
    2591 Thread 0x000008dc (most recent call first):
    2592   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2593   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2594   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2595   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2596 
    2597 Thread 0x00006b10 (most recent call first):
    2598   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2599   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2600   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2601   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2602 
    2603 Thread 0x00007378 (most recent call first):
    2604   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2605   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2606   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2607   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2608   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2609   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2610   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2611 Windows fatal exception: code 0x8001010e
    2612 
    2613 Thread 0x000079cc (most recent call first):
    2614   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2615   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2616   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2617   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2618 
    2619 Thread 0x00007ab0 (most recent call first):
    2620   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2621   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2622   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2623   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2624 
    2625 Thread 0x000026f4 (most recent call first):
    2626   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2627   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2629   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2630   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2631   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2632   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2633 
    2634 Thread 0x000057ac (most recent call first):
    2635   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2636   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2637   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2638   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2639 
    2640 Thread 0x00001ea8 (most recent call first):
    2641   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2642   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2643   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2644   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2645 
    2646 Thread 0x000079a0 (most recent call first):
    2647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2648   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2649   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2650   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2651 
    2652 Thread 0x00005db8 (most recent call first):
    2653   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2654   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2655   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2656   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2657 
    2658 Thread 0x00007dac (most recent call first):
    2659   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2660   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2661   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2662   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2663 
    2664 Thread 0x00002590 (most recent call first):
    2665   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2666   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2667   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2668   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2669 
    2670 Thread 0x000008dc (most recent call first):
    2671   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2672   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2673   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2674   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2675 
    2676 Thread 0x00006b10 (most recent call first):
    2677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2678   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2679   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2680   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2681 
    2682 Thread 0x00007378 (most recent call first):
    2683   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2684   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2685   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2686   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2687   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2688   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2689   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2690 Windows fatal exception: code 0x8001010e
    2691 
    2692 Thread 0x000079cc (most recent call first):
    2693   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2694   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2695   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2696   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2697 
    2698 Thread 0x00007ab0 (most recent call first):
    2699   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2700   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2702   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2703 
    2704 Thread 0x000026f4 (most recent call first):
    2705   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2706   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2708   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2709   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2710   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2711   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2712 
    2713 Thread 0x000057ac (most recent call first):
    2714   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2715   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2716   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2717   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2718 
    2719 Thread 0x00001ea8 (most recent call first):
    2720   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2721   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2722   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2723   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2724 
    2725 Thread 0x000079a0 (most recent call first):
    2726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2727   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2728   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2729   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2730 
    2731 Thread 0x00005db8 (most recent call first):
    2732   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2733   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2734   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2735   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2736 
    2737 Thread 0x00007dac (most recent call first):
    2738   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2739   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2740   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2741   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2742 
    2743 Thread 0x00002590 (most recent call first):
    2744   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2745   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2746   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2747   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2748 
    2749 Thread 0x000008dc (most recent call first):
    2750   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2751   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2752   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2753   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2754 
    2755 Thread 0x00006b10 (most recent call first):
    2756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2757   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2758   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2759   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2760 
    2761 Thread 0x00007378 (most recent call first):
    2762   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2763   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2764   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2765   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2766   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2767   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2768   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2769 Windows fatal exception: code 0x8001010e
    2770 
    2771 Thread 0x000079cc (most recent call first):
    2772   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2773   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2774   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2775   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2776 
    2777 Thread 0x00007ab0 (most recent call first):
    2778   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2779   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2780   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2781   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2782 
    2783 Thread 0x000026f4 (most recent call first):
    2784   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2785   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2786   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2787   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2788   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2789   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2790   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2791 
    2792 Thread 0x000057ac (most recent call first):
    2793   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2794   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2795   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2796   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2797 
    2798 Thread 0x00001ea8 (most recent call first):
    2799   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2800   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2801   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2802   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2803 
    2804 Thread 0x000079a0 (most recent call first):
    2805   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2806   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2807   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2808   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2809 
    2810 Thread 0x00005db8 (most recent call first):
    2811   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2812   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2813   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2814   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2815 
    2816 Thread 0x00007dac (most recent call first):
    2817   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2818   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2819   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2820   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2821 
    2822 Thread 0x00002590 (most recent call first):
    2823   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2824   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2825   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2826   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2827 
    2828 Thread 0x000008dc (most recent call first):
    2829   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2830   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2831   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2832   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2833 
    2834 Thread 0x00006b10 (most recent call first):
    2835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2836   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2837   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2839 
    2840 Thread 0x00007378 (most recent call first):
    2841   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2842   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2843   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2845   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2846   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2847   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2848 Windows fatal exception: code 0x8001010e
    2849 
    2850 Thread 0x000079cc (most recent call first):
    2851   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2852   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2853   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2854   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2855 
    2856 Thread 0x00007ab0 (most recent call first):
    2857   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2858   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2860   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2861 
    2862 Thread 0x000026f4 (most recent call first):
    2863   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2864   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2866   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2867   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2868   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2869   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2870 
    2871 Thread 0x000057ac (most recent call first):
    2872   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2873   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2874   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2875   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2876 
    2877 Thread 0x00001ea8 (most recent call first):
    2878   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2879   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2880   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2881   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2882 
    2883 Thread 0x000079a0 (most recent call first):
    2884   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2885   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2886   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2887   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2888 
    2889 Thread 0x00005db8 (most recent call first):
    2890   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2891   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2892   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2893   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2894 
    2895 Thread 0x00007dac (most recent call first):
    2896   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2897   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2898   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2899   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2900 
    2901 Thread 0x00002590 (most recent call first):
    2902   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2903   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2904   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2905   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2906 
    2907 Thread 0x000008dc (most recent call first):
    2908   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2909   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2910   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2911   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2912 
    2913 Thread 0x00006b10 (most recent call first):
    2914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2915   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2916   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2918 
    2919 Thread 0x00007378 (most recent call first):
    2920   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2921   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2922   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    2924   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    2925   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    2926   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    2927 Windows fatal exception: code 0x8001010e
    2928 
    2929 Thread 0x000079cc (most recent call first):
    2930   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2931   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2932   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2933   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2934 
    2935 Thread 0x00007ab0 (most recent call first):
    2936   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2937   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2939   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2940 
    2941 Thread 0x000026f4 (most recent call first):
    2942   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2943   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    2944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2945   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2946   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2947   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2948   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2949 
    2950 Thread 0x000057ac (most recent call first):
    2951   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2952   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2953   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2954   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2955 
    2956 Thread 0x00001ea8 (most recent call first):
    2957   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2958   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2959   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2960   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2961 
    2962 Thread 0x000079a0 (most recent call first):
    2963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2964   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2965   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2966   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2967 
    2968 Thread 0x00005db8 (most recent call first):
    2969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2970   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2971   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2972   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2973 
    2974 Thread 0x00007dac (most recent call first):
    2975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    2976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    2977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    2978   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    2979 
    2980 Thread 0x00002590 (most recent call first):
    2981   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py8001010e"
    2982 
    2983 , line Windows fatal exception: 114code 0x in 8001010eworker
    2984 
    2985 
    2986 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    2987 
    2988 "Windows fatal exception: , line code 0x9108001010e
    2989 
    2990  in Windows fatal exception: runcode 0x
    2991 8001010e  File
    2992 
    2993 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    2994 
    2995 973Windows fatal exception:  in code 0x_bootstrap_inner8001010e
    2996 
    2997 
    2998   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    2999 
    3000 , line Windows fatal exception: 930code 0x in 8001010e_bootstrap
    3001 
    3002 
    3003 Windows fatal exception:
    3004 code 0xThread 0x8001010e000008dc
    3005 
    3006  (most recent call first):
    3007 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py
    3008 
    3009 ", line 114 in worker
    3010   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3011   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3012   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3013 
    3014 Thread 0x00006b10 (most recent call first):
    3015   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3016   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3018   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3019 
    3020 Thread 0x00007378 (most recent call first):
    3021   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3022   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3024   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3025   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3026   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3027   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3028 Windows fatal exception: code 0x8001010e
    3029 
    3030 Thread 0x000079cc (most recent call first):
    3031   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3032   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3033   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3034   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3035 
    3036 Thread 0x00007ab0 (most recent call first):
    3037   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3038   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3039   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3040   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3041 
    3042 Thread 0x000026f4 (most recent call first):
    3043   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3044   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3045   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3046   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3047   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3048   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3049   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3050 
    3051 Thread 0x000057ac (most recent call first):
    3052   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3053   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3054   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3055   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3056 
    3057 Thread 0x00001ea8 (most recent call first):
    3058   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3059   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3061   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3062 
    3063 Thread 0x000079a0 (most recent call first):
    3064   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3065   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3067   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3068 
    3069 Thread 0x00005db8 (most recent call first):
    3070   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3071   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3073   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3074 
    3075 Thread 0x00007dac (most recent call first):
    3076   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3077   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3079   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3080 
    3081 Thread 0x00002590 (most recent call first):
    3082   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3083   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3085   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3086 
    3087 Thread 0x000008dc (most recent call first):
    3088   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3089   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3091   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3092 
    3093 Thread 0x00006b10 (most recent call first):
    3094   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3095   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3097   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3098 
    3099 Thread 0x00007378 (most recent call first):
    3100   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3101   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3103   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3104   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3105   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3106   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3107 Windows fatal exception: code 0x8001010e
    3108 
    3109 Thread 0x000079cc (most recent call first):
    3110   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3111   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3112   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3114 
    3115 Thread 0x00007ab0 (most recent call first):
    3116   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3117   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3118   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3119   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3120 
    3121 Thread 0x000026f4 (most recent call first):
    3122   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3123   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3124   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3125   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3126   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3127   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3128   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3129 
    3130 Thread 0x000057ac (most recent call first):
    3131   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3132   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3133   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3134   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3135 
    3136 Thread 0x00001ea8 (most recent call first):
    3137   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3138   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3139   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3140   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3141 
    3142 Thread 0x000079a0 (most recent call first):
    3143   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3144   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3146   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3147 
    3148 Thread 0x00005db8 (most recent call first):
    3149   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3150   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3152   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3153 
    3154 Thread 0x00007dac (most recent call first):
    3155   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3156   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3158   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3159 
    3160 Thread 0x00002590 (most recent call first):
    3161   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3162   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line Windows fatal exception: 910code 0x in 8001010erun
    3163 
    3164 
    3165 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    3166 
    3167 "Windows fatal exception: , line code 0x9738001010e in
    3168 
    3169 _bootstrap_innerWindows fatal exception:
    3170 code 0x  File 8001010e"
    3171 
    3172 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e930
    3173 
    3174  in Windows fatal exception: _bootstrapcode 0x
    3175 8001010e
    3176 
    3177 
    3178 Thread 0xWindows fatal exception: 000008dccode 0x (most recent call first):
    3179 8001010e  File
    3180 
    3181 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.pycode 0x"8001010e, line
    3182 
    3183 114Windows fatal exception:  in code 0xworker8001010e
    3184 
    3185 
    3186   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    3187 
    3188 , line Windows fatal exception: 910code 0x in 8001010erun
    3189 
    3190 
    3191   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3192   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3193 
    3194 Thread 0x00006b10 (most recent call first):
    3195   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3196   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3197   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3198   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3199 
    3200 Thread 0x00007378 (most recent call first):
    3201   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3202   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3203   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3204   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3206   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3207   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3208 Windows fatal exception: code 0x8001010e
    3209 
    3210 Thread 0x000079cc (most recent call first):
    3211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3212   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3213   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3215 
    3216 Thread 0x00007ab0 (most recent call first):
    3217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3218   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3219   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3220   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3221 
    3222 Thread 0x000026f4 (most recent call first):
    3223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3224   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3225   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3226   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3227   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3228   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3229   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3230 
    3231 Thread 0x000057ac (most recent call first):
    3232   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3234   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3235   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3236 
    3237 Thread 0x00001ea8 (most recent call first):
    3238   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3240   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3241   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3242 
    3243 Thread 0x000079a0 (most recent call first):
    3244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3246   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3247   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3248 
    3249 Thread 0x00005db8 (most recent call first):
    3250   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3252   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3253   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3254 
    3255 Thread 0x00007dac (most recent call first):
    3256   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3258   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3259   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3260 
    3261 Thread 0x00002590 (most recent call first):
    3262   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3263   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3264   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3265   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3266 
    3267 Thread 0x000008dc (most recent call first):
    3268   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3270   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3271   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3272 
    3273 Thread 0x00006b10 (most recent call first):
    3274   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3275   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3276   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3277   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3278 
    3279 Thread 0x00007378 (most recent call first):
    3280   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3281   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3282   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3283   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3285   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3286   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3287 Windows fatal exception: code 0x8001010e
    3288 
    3289 Thread 0x000079cc (most recent call first):
    3290   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3291   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3292   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3293   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3294 
    3295 Thread 0x00007ab0 (most recent call first):
    3296   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3297   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3298   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3299   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3300 
    3301 Thread 0x000026f4 (most recent call first):
    3302   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3303   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3304   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3305   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3306   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3307   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3308   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3309 
    3310 Thread 0x000057ac (most recent call first):
    3311   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3313   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3314   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3315 
    3316 Thread 0x00001ea8 (most recent call first):
    3317   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3319   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3320   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3321 
    3322 Thread 0x000079a0 (most recent call first):
    3323   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3325   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3326   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3327 
    3328 Thread 0x00005db8 (most recent call first):
    3329   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3331   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3332   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3333 
    3334 Thread 0x00007dac (most recent call first):
    3335   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3336   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3337   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3338   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3339 
    3340 Thread 0x00002590 (most recent call first):
    3341   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3342   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3343   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3344   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3345 
    3346 Thread 0x000008dc (most recent call first):
    3347   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3348   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3349   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3350   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3351 
    3352 Thread 0x00006b10 (most recent call first):
    3353   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3354   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3355   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3356   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3357 
    3358 Thread 0x00007378 (most recent call first):
    3359   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3360   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3361   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3362   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3363   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3364   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3365   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3366 Windows fatal exception: code 0x8001010e
    3367 
    3368 Thread 0x000079cc (most recent call first):
    3369   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3370   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3371   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3372   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3373 
    3374 Thread 0x00007ab0 (most recent call first):
    3375   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3376   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3377   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3378   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3379 
    3380 Thread 0x000026f4 (most recent call first):
    3381   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3382   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3383   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3384   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3385   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3386   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3387   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3388 
    3389 Thread 0x000057ac (most recent call first):
    3390   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3391   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3392   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3393   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3394 
    3395 Thread 0x00001ea8 (most recent call first):
    3396   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3397   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3398   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3399   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3400 
    3401 Thread 0x000079a0 (most recent call first):
    3402   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3403   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3404   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3405   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3406 
    3407 Thread 0x00005db8 (most recent call first):
    3408   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3409   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3410   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3411   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3412 
    3413 Thread 0x00007dac (most recent call first):
    3414   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3415   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3416   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3417   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3418 
    3419 Thread 0x00002590 (most recent call first):
    3420   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3421   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3422   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3423   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3424 
    3425 Thread 0x000008dc (most recent call first):
    3426   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3427   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3428   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3429   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3430 
    3431 Thread 0x00006b10 (most recent call first):
    3432   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3433   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3434   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3435   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3436 
    3437 Thread 0x00007378 (most recent call first):
    3438   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3439   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3440   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3441   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3442   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3443   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3444   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3445 Windows fatal exception: code 0x8001010e
    3446 
    3447 Thread 0x000079cc (most recent call first):
    3448   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3449   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3450   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3451   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3452 
    3453 Thread 0x00007ab0 (most recent call first):
    3454   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3455   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3456   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3457   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3458 
    3459 Thread 0x000026f4 (most recent call first):
    3460   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3461   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3462   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3463   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3464   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3465   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3466   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3467 
    3468 Thread 0x000057ac (most recent call first):
    3469   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3470   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3471   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3472   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3473 
    3474 Thread 0x00001ea8 (most recent call first):
    3475   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3476   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3477   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3478   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3479 
    3480 Thread 0x000079a0 (most recent call first):
    3481   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3482   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3483   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3484   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3485 
    3486 Thread 0x00005db8 (most recent call first):
    3487   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3488   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3489   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3490   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3491 
    3492 Thread 0x00007dac (most recent call first):
    3493   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3494   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3495   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3496   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3497 
    3498 Thread 0x00002590 (most recent call first):
    3499   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3500   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3501   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3502   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3503 
    3504 Thread 0x000008dc (most recent call first):
    3505   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3506   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3507   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3508   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3509 
    3510 Thread 0x00006b10 (most recent call first):
    3511   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3512   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3513   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3514   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3515 
    3516 Thread 0x00007378 (most recent call first):
    3517   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3518   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3519   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3520   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3521   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3522   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3523   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3524 Windows fatal exception: code 0x8001010e
    3525 
    3526 Thread 0x000079cc (most recent call first):
    3527   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3528   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3529   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3530   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3531 
    3532 Thread 0x00007ab0 (most recent call first):
    3533   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3534   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3535   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3536   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3537 
    3538 Thread 0x000026f4 (most recent call first):
    3539   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3540   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3541   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3542   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3543   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3544   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3545   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3546 
    3547 Thread 0x000057ac (most recent call first):
    3548   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3550   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3551   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3552 
    3553 Thread 0x00001ea8 (most recent call first):
    3554   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3555   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3556   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3557   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3558 
    3559 Thread 0x000079a0 (most recent call first):
    3560   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3561   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3562   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3563   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3564 
    3565 Thread 0x00005db8 (most recent call first):
    3566   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3567   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3568   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3569   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3570 
    3571 Thread 0x00007dac (most recent call first):
    3572   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3573   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3574   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3575   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3576 
    3577 Thread 0x00002590 (most recent call first):
    3578   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3579   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3580   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3581   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3582 
    3583 Thread 0x000008dc (most recent call first):
    3584   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3585   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3586   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3587   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3588 
    3589 Thread 0x00006b10 (most recent call first):
    3590   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3591   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3592   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3593   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3594 
    3595 Thread 0x00007378 (most recent call first):
    3596   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3597   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3598   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3599   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3600   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3601   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3602   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3603 Windows fatal exception: code 0x8001010e
    3604 
    3605 Thread 0x000079cc (most recent call first):
    3606   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3607   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3608   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3609   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3610 
    3611 Thread 0x00007ab0 (most recent call first):
    3612   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3613   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3614   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3615   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3616 
    3617 Thread 0x000026f4 (most recent call first):
    3618   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3619   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3620   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3621   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3622   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3623   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3624   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3625 
    3626 Thread 0x000057ac (most recent call first):
    3627   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3629   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3630   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3631 
    3632 Thread 0x00001ea8 (most recent call first):
    3633   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3634   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3635   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3636   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3637 
    3638 Thread 0x000079a0 (most recent call first):
    3639   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3640   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3641   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3642   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3643 
    3644 Thread 0x00005db8 (most recent call first):
    3645   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3646   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3648   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3649 
    3650 Thread 0x00007dac (most recent call first):
    3651   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3652   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3653   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3654   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3655 
    3656 Thread 0x00002590 (most recent call first):
    3657   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3658   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3659   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3660   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3661 
    3662 Thread 0x000008dc (most recent call first):
    3663   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3664   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3665   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3666   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3667 
    3668 Thread 0x00006b10 (most recent call first):
    3669   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3670   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3671   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3672   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3673 
    3674 Thread 0x00007378 (most recent call first):
    3675   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3676   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3678   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3679   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3680   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3681   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3682 Windows fatal exception: code 0x8001010e
    3683 
    3684 Thread 0x000079cc (most recent call first):
    3685   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3686   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3687   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3688   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3689 
    3690 Thread 0x00007ab0 (most recent call first):
    3691   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3692   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3693   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3694   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3695 
    3696 Thread 0x000026f4 (most recent call first):
    3697   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3698   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3699   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3700   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3702   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3703   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3704 
    3705 Thread 0x000057ac (most recent call first):
    3706   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3708   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3709   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3710 
    3711 Thread 0x00001ea8 (most recent call first):
    3712   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3713   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3714   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3715   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3716 
    3717 Thread 0x000079a0 (most recent call first):
    3718   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3719   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3720   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3721   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3722 
    3723 Thread 0x00005db8 (most recent call first):
    3724   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3725   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3727   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3728 
    3729 Thread 0x00007dac (most recent call first):
    3730   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3731   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3732   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3733   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3734 
    3735 Thread 0x00002590 (most recent call first):
    3736   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3737   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3738   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3739   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3740 
    3741 Thread 0x000008dc (most recent call first):
    3742   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3743   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3744   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3745   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3746 
    3747 Thread 0x00006b10 (most recent call first):
    3748   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3749   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3750   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3751   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3752 
    3753 Thread 0x00007378 (most recent call first):
    3754   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3755   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3757   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3758   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3759   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3760   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3761 Windows fatal exception: code 0x8001010e
    3762 
    3763 Thread 0x000079cc (most recent call first):
    3764   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3765   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3766   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3767   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3768 
    3769 Thread 0x00007ab0 (most recent call first):
    3770   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3771   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3772   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3773   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3774 
    3775 Thread 0x000026f4 (most recent call first):
    3776   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3777   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3778   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3779   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3780   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3781   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3782   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3783 
    3784 Thread 0x000057ac (most recent call first):
    3785   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3786   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3787   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3788   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3789 
    3790 Thread 0x00001ea8 (most recent call first):
    3791   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3792   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3793   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3794   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3795 
    3796 Thread 0x000079a0 (most recent call first):
    3797   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3798   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3799   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3800   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3801 
    3802 Thread 0x00005db8 (most recent call first):
    3803   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3804   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3805   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3806   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3807 
    3808 Thread 0x00007dac (most recent call first):
    3809   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3810   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3811   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3812   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3813 
    3814 Thread 0x00002590 (most recent call first):
    3815   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3816   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3817   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3818   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3819 
    3820 Thread 0x000008dc (most recent call first):
    3821   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3822   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3823   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3824   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3825 
    3826 Thread 0x00006b10 (most recent call first):
    3827   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3828   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3829   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3830   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3831 
    3832 Thread 0x00007378 (most recent call first):
    3833   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3834   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3836   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3837   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3839   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3840 Windows fatal exception: code 0x8001010e
    3841 
    3842 Thread 0x000079cc (most recent call first):
    3843   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3845   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3846   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3847 
    3848 Thread 0x00007ab0 (most recent call first):
    3849   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3850   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3851   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3852   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3853 
    3854 Thread 0x000026f4 (most recent call first):
    3855   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3856   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3857   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3858   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3860   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3861   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3862 
    3863 Thread 0x000057ac (most recent call first):
    3864   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3866   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3867   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3868 
    3869 Thread 0x00001ea8 (most recent call first):
    3870   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3871   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3872   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3873   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3874 
    3875 Thread 0x000079a0 (most recent call first):
    3876   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3877   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3878   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3879   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3880 
    3881 Thread 0x00005db8 (most recent call first):
    3882   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3883   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3884   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3885   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3886 
    3887 Thread 0x00007dac (most recent call first):
    3888   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3889   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3890   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3891   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3892 
    3893 Thread 0x00002590 (most recent call first):
    3894   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3895   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3896   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3897   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3898 
    3899 Thread 0x000008dc (most recent call first):
    3900   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3901   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3902   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3903   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3904 
    3905 Thread 0x00006b10 (most recent call first):
    3906   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3907   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3908   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3909   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3910 
    3911 Thread 0x00007378 (most recent call first):
    3912   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3913   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3915   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3916   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3918   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3919 Windows fatal exception: code 0x8001010e
    3920 
    3921 Thread 0x000079cc (most recent call first):
    3922   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3924   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3925   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3926 
    3927 Thread 0x00007ab0 (most recent call first):
    3928   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3929   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3930   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3931   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3932 
    3933 Thread 0x000026f4 (most recent call first):
    3934   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3935   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    3936   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3937   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3939   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3940   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3941 
    3942 Thread 0x000057ac (most recent call first):
    3943   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3945   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3946   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3947 
    3948 Thread 0x00001ea8 (most recent call first):
    3949   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3950   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3951   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3952   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3953 
    3954 Thread 0x000079a0 (most recent call first):
    3955   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3956   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3957   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3958   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3959 
    3960 Thread 0x00005db8 (most recent call first):
    3961   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3962   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3964   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3965 
    3966 Thread 0x00007dac (most recent call first):
    3967   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3968   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3970   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3971 
    3972 Thread 0x00002590 (most recent call first):
    3973   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3974   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3977 
    3978 Thread 0x000008dc (most recent call first):
    3979   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3980   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3981   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3982   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3983 
    3984 Thread 0x00006b10 (most recent call first):
    3985   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    3986   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    3987   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    3988   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    3989 
    3990 Thread 0x00007378 (most recent call first):
    3991   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3992   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3993   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3994   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    3995   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    3996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    3997   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    3998 Windows fatal exception: code 0x8001010e
    3999 
    4000 Thread 0x000079cc (most recent call first):
    4001   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4003   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4004   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4005 
    4006 Thread 0x00007ab0 (most recent call first):
    4007   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4009   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4010   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4011 
    4012 Thread 0x000026f4 (most recent call first):
    4013   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4015   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4016   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4018   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4019   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4020 
    4021 Thread 0x000057ac (most recent call first):
    4022   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4024   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4025   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4026 
    4027 Thread 0x00001ea8 (most recent call first):
    4028   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4029   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4030   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4031   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4032 
    4033 Thread 0x000079a0 (most recent call first):
    4034   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4035   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4036   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4037   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4038 
    4039 Thread 0x00005db8 (most recent call first):
    4040   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4041   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4042   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4043   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4044 
    4045 Thread 0x00007dac (most recent call first):
    4046   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4047   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4048   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4049   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4050 
    4051 Thread 0x00002590 (most recent call first):
    4052   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4053   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4054   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4055   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4056 
    4057 Thread 0x000008dc (most recent call first):
    4058   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4059   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4061   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4062 
    4063 Thread 0x00006b10 (most recent call first):
    4064   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4065   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4067   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4068 
    4069 Thread 0x00007378 (most recent call first):
    4070   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4071   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4073   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4074   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4076   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4077 Windows fatal exception: code 0x8001010e
    4078 
    4079 Thread 0x000079cc (most recent call first):
    4080   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4082   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4083   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4084 
    4085 Thread 0x00007ab0 (most recent call first):
    4086   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4088   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4089   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4090 
    4091 Thread 0x000026f4 (most recent call first):
    4092   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4094   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4095   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4097   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4098   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4099 
    4100 Thread 0x000057ac (most recent call first):
    4101   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4103   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4104   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4105 
    4106 Thread 0x00001ea8 (most recent call first):
    4107   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4109   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4110   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4111 
    4112 Thread 0x000079a0 (most recent call first):
    4113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4115   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4116   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4117 
    4118 Thread 0x00005db8 (most recent call first):
    4119   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4120   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4121   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4122   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4123 
    4124 Thread 0x00007dac (most recent call first):
    4125   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4126   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4127   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4128   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4129 
    4130 Thread 0x00002590 (most recent call first):
    4131   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4132   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4133   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4134   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4135 
    4136 Thread 0x000008dc (most recent call first):
    4137   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4138   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4139   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4140   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4141 
    4142 Thread 0x00006b10 (most recent call first):
    4143   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4144   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4146   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4147 
    4148 Thread 0x00007378 (most recent call first):
    4149   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4150   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4152   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4153   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4155   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4156 Windows fatal exception: code 0x8001010e
    4157 
    4158 Thread 0x000079cc (most recent call first):
    4159   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4161   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4162   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4163 
    4164 Thread 0x00007ab0 (most recent call first):
    4165   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4167   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4168   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4169 
    4170 Thread 0x000026f4 (most recent call first):
    4171   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4173   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4174   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4176   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4177   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4178 
    4179 Thread 0x000057ac (most recent call first):
    4180   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4181   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4182   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4183   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4184 
    4185 Thread 0x00001ea8 (most recent call first):
    4186   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4187   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4188   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4189   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4190 
    4191 Thread 0x000079a0 (most recent call first):
    4192   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4194   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4195   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4196 
    4197 Thread 0x00005db8 (most recent call first):
    4198   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4199   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4200   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4201   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4202 
    4203 Thread 0x00007dac (most recent call first):
    4204   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4206   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4207   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4208 
    4209 Thread 0x00002590 (most recent call first):
    4210   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4212   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4213   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4214 
    4215 Thread 0x000008dc (most recent call first):
    4216   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4218   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4219   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4220 
    4221 Thread 0x00006b10 (most recent call first):
    4222   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4224   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4225   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4226 
    4227 Thread 0x00007378 (most recent call first):
    4228   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4229   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4230   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4231   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4232   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4234   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4235 Windows fatal exception: code 0x8001010e
    4236 
    4237 Thread 0x000079cc (most recent call first):
    4238   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4240   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4241   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4242 
    4243 Thread 0x00007ab0 (most recent call first):
    4244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4246   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4247   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4248 
    4249 Thread 0x000026f4 (most recent call first):
    4250   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4252   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4253   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4254   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4255   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4256   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4257 
    4258 Thread 0x000057ac (most recent call first):
    4259   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4261   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4262   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4263 
    4264 Thread 0x00001ea8 (most recent call first):
    4265   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4267   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4268   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4269 
    4270 Thread 0x000079a0 (most recent call first):
    4271   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4273   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4274   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4275 
    4276 Thread 0x00005db8 (most recent call first):
    4277   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4278   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4279   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4280   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4281 
    4282 Thread 0x00007dac (most recent call first):
    4283   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4285   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4286   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4287 
    4288 Thread 0x00002590 (most recent call first):
    4289   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4290   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4291   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4292   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4293 
    4294 Thread 0x000008dc (most recent call first):
    4295   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4296   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4297   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4298   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4299 
    4300 Thread 0x00006b10 (most recent call first):
    4301   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4302   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4303   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4304   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4305 
    4306 Thread 0x00007378 (most recent call first):
    4307   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4308   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4309   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4310   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4311   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4313   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4314 Windows fatal exception: code 0x8001010e
    4315 
    4316 Thread 0x000079cc (most recent call first):
    4317   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4319   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4320   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4321 
    4322 Thread 0x00007ab0 (most recent call first):
    4323   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4325   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4326   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4327 
    4328 Thread 0x000026f4 (most recent call first):
    4329   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4331   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4332   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4333   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4334   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4335   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4336 
    4337 Thread 0x000057ac (most recent call first):
    4338   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4339   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4340   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4341   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4342 
    4343 Thread 0x00001ea8 (most recent call first):
    4344   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4345   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4346   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4347   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4348 
    4349 Thread 0x000079a0 (most recent call first):
    4350   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4351   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4352   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4353   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4354 
    4355 Thread 0x00005db8 (most recent call first):
    4356   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4357   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4358   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4359   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4360 
    4361 Thread 0x00007dac (most recent call first):
    4362   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4363   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4364   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4365   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4366 
    4367 Thread 0x00002590 (most recent call first):
    4368   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4369   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4370   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4371   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4372 
    4373 Thread 0x000008dc (most recent call first):
    4374   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4375   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4376   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4377   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4378 
    4379 Thread 0x00006b10 (most recent call first):
    4380   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4381   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4382   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4383   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4384 
    4385 Thread 0x00007378 (most recent call first):
    4386   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4387   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4388   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4389   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4390   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4391   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4392   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4393 Windows fatal exception: code 0x8001010e
    4394 
    4395 Thread 0x000079cc (most recent call first):
    4396   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4397   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4398   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4399   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4400 
    4401 Thread 0x00007ab0 (most recent call first):
    4402   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4403   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4404   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4405   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4406 
    4407 Thread 0x000026f4 (most recent call first):
    4408   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4409   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4410   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4411   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4412   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line Windows fatal exception: 910code 0x in 8001010erun
    4413 
    4414 
    4415   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    4416 
    4417 , line Windows fatal exception: 973code 0x in 8001010e_bootstrap_inner
    4418 
    4419 
    4420 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    4421 
    4422 "Windows fatal exception: , line code 0x9308001010e in
    4423 
    4424 _bootstrapWindows fatal exception:
    4425 code 0x
    4426 8001010eThread 0x
    4427 
    4428 000057acWindows fatal exception:  (most recent call first):
    4429 code 0x  File 8001010e"
    4430 
    4431 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.pyWindows fatal exception: "code 0x, line 8001010e114
    4432 
    4433  in Windows fatal exception: workercode 0x
    4434 8001010e  File
    4435 
    4436 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    4437 
    4438 910Windows fatal exception:  in code 0xrun8001010e
    4439 
    4440 
    4441   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4442   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4443 
    4444 Thread 0x00001ea8 (most recent call first):
    4445   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4446   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4447   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4448   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4449 
    4450 Thread 0x000079a0 (most recent call first):
    4451   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4452   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4453   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4454   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4455 
    4456 Thread 0x00005db8 (most recent call first):
    4457   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4458   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4459   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4460   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4461 
    4462 Thread 0x00007dac (most recent call first):
    4463   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4464   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4465   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4466   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4467 
    4468 Thread 0x00002590 (most recent call first):
    4469   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4470   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4471   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4472   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4473 
    4474 Thread 0x000008dc (most recent call first):
    4475   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4476   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4477   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4478   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4479 
    4480 Thread 0x00006b10 (most recent call first):
    4481   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4482   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4483   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4484   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4485 
    4486 Thread 0x00007378 (most recent call first):
    4487   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4488   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4489   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4490   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4491   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4492   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4493   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4494 Windows fatal exception: code 0x8001010e
    4495 
    4496 Thread 0x000079cc (most recent call first):
    4497   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4498   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4499   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4500   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4501 
    4502 Thread 0x00007ab0 (most recent call first):
    4503   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4504   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4505   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4506   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4507 
    4508 Thread 0x000026f4 (most recent call first):
    4509   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4510   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4511   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4512   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4513   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4514   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4515   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4516 
    4517 Thread 0x000057ac (most recent call first):
    4518   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4519   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4520   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4521   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4522 
    4523 Thread 0x00001ea8 (most recent call first):
    4524   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4525   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4526   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4527   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4528 
    4529 Thread 0x000079a0 (most recent call first):
    4530   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4531   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4532   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4533   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4534 
    4535 Thread 0x00005db8 (most recent call first):
    4536   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4537   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4538   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4539   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4540 
    4541 Thread 0x00007dac (most recent call first):
    4542   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4543   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4544   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4545   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4546 
    4547 Thread 0x00002590 (most recent call first):
    4548   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4550   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4551   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4552 
    4553 Thread 0x000008dc (most recent call first):
    4554   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4555   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4556   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4557   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4558 
    4559 Thread 0x00006b10 (most recent call first):
    4560   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4561   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4562   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4563   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4564 
    4565 Thread 0x00007378 (most recent call first):
    4566   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4567   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4568   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4569   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4570   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4571   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4572   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4573 Windows fatal exception: code 0x8001010e
    4574 
    4575 Thread 0x000079cc (most recent call first):
    4576   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4577   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4578   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4579   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4580 
    4581 Thread 0x00007ab0 (most recent call first):
    4582   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4583   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4584   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4585   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4586 
    4587 Thread 0x000026f4 (most recent call first):
    4588   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4589   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4590   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4591   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4592   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4593   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4594   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4595 
    4596 Thread 0x000057ac (most recent call first):
    4597   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4598   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4599   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4600   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4601 
    4602 Thread 0x00001ea8 (most recent call first):
    4603   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4604   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4605   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4606   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4607 
    4608 Thread 0x000079a0 (most recent call first):
    4609   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4610   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4611   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4612   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4613 
    4614 Thread 0x00005db8 (most recent call first):
    4615   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4616   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4617   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4618   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4619 
    4620 Thread 0x00007dac (most recent call first):
    4621   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4622   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4623   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4624   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4625 
    4626 Thread 0x00002590 (most recent call first):
    4627   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4629   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4630   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4631 
    4632 Thread 0x000008dc (most recent call first):
    4633   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4634   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4635   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4636   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4637 
    4638 Thread 0x00006b10 (most recent call first):
    4639   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4640   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4641   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4642   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4643 
    4644 Thread 0x00007378 (most recent call first):
    4645   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4646   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4648   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4649   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4650   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4651   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4652 Windows fatal exception: code 0x8001010e
    4653 
    4654 Thread 0x000079cc (most recent call first):
    4655   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4656   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4657   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4658   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4659 
    4660 Thread 0x00007ab0 (most recent call first):
    4661   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4662   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4663   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4664   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4665 
    4666 Thread 0x000026f4 (most recent call first):
    4667   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4668   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4669   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4670   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4671   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4672   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4673   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4674 
    4675 Thread 0x000057ac (most recent call first):
    4676   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4678   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4679   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4680 
    4681 Thread 0x00001ea8 (most recent call first):
    4682   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4683   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4684   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4685   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4686 
    4687 Thread 0x000079a0 (most recent call first):
    4688   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4689   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4690   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4691   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4692 
    4693 Thread 0x00005db8 (most recent call first):
    4694   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4695   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4696   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4697   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4698 
    4699 Thread 0x00007dac (most recent call first):
    4700   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4702   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4703   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4704 
    4705 Thread 0x00002590 (most recent call first):
    4706   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4708   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4709   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4710 
    4711 Thread 0x000008dc (most recent call first):
    4712   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4713   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4714   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4715   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4716 
    4717 Thread 0x00006b10 (most recent call first):
    4718   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4719   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4720   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4721   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4722 
    4723 Thread 0x00007378 (most recent call first):
    4724   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4725   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4727   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4728   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4729   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4730   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4731 Windows fatal exception: code 0x8001010e
    4732 
    4733 Thread 0x000079cc (most recent call first):
    4734   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4735   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4736   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4737   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4738 
    4739 Thread 0x00007ab0 (most recent call first):
    4740   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4741   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4742   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4743   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4744 
    4745 Thread 0x000026f4 (most recent call first):
    4746   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4747   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4748   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4749   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4750   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4751   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4752   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4753 
    4754 Thread 0x000057ac (most recent call first):
    4755   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4757   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4758   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4759 
    4760 Thread 0x00001ea8 (most recent call first):
    4761   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4762   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4763   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4764   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4765 
    4766 Thread 0x000079a0 (most recent call first):
    4767   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4768   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4769   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4770   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4771 
    4772 Thread 0x00005db8 (most recent call first):
    4773   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4774   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4775   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4776   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4777 
    4778 Thread 0x00007dac (most recent call first):
    4779 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py
    4780 
    4781 "Windows fatal exception: , line code 0x1148001010e in
    4782 
    4783 workerWindows fatal exception:
    4784 code 0x  File 8001010e"
    4785 
    4786 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e910
    4787 
    4788  in Windows fatal exception: runcode 0x
    4789 8001010e  File
    4790 
    4791 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    4792 
    4793 973Windows fatal exception:  in code 0x_bootstrap_inner8001010e
    4794 
    4795 
    4796   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    4797 
    4798 , line Windows fatal exception: 930code 0x8001010e in
    4799 
    4800 _bootstrapWindows fatal exception:
    4801 code 0x
    4802 8001010eThread 0x
    4803 
    4804 00002590Windows fatal exception:  (most recent call first):
    4805 code 0x  File 8001010e"
    4806 
    4807 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4808   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4809   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4810   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4811 
    4812 Thread 0x000008dc (most recent call first):
    4813   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4814   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4815   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4816   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4817 
    4818 Thread 0x00006b10 (most recent call first):
    4819   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4820   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4821   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4822   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4823 
    4824 Thread 0x00007378 (most recent call first):
    4825   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4826   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4827   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4828   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4829   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4830   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4831   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4832 Windows fatal exception: code 0x8001010e
    4833 
    4834 Thread 0x000079cc (most recent call first):
    4835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4836   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4837   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4839 
    4840 Thread 0x00007ab0 (most recent call first):
    4841   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4842   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4843   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4845 
    4846 Thread 0x000026f4 (most recent call first):
    4847   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4848   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4849   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4850   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4851   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4852   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4853   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4854 
    4855 Thread 0x000057ac (most recent call first):
    4856   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4857   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4858   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4860 
    4861 Thread 0x00001ea8 (most recent call first):
    4862   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4863   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4864   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4866 
    4867 Thread 0x000079a0 (most recent call first):
    4868   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4869   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4870   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4871   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4872 
    4873 Thread 0x00005db8 (most recent call first):
    4874   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4875   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4876   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4877   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4878 
    4879 Thread 0x00007dac (most recent call first):
    4880   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4881   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4882   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4883   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4884 
    4885 Thread 0x00002590 (most recent call first):
    4886   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4887   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4888   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4889   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4890 
    4891 Thread 0x000008dc (most recent call first):
    4892   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4893   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4894   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4895   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4896 
    4897 Thread 0x00006b10 (most recent call first):
    4898   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4899   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4900   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4901   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4902 
    4903 Thread 0x00007378 (most recent call first):
    4904   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4905   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4906   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4907   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4908   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4909   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4910   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4911 Windows fatal exception: code 0x8001010e
    4912 
    4913 Thread 0x000079cc (most recent call first):
    4914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4915   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4916   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4918 
    4919 Thread 0x00007ab0 (most recent call first):
    4920   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4921   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4922   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4924 
    4925 Thread 0x000026f4 (most recent call first):
    4926   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4927   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    4928   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4929   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4930   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4931   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4932   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4933 
    4934 Thread 0x000057ac (most recent call first):
    4935   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4936   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4937   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4939 
    4940 Thread 0x00001ea8 (most recent call first):
    4941   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4942   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4943   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4945 
    4946 Thread 0x000079a0 (most recent call first):
    4947   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4948   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4949   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4950   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4951 
    4952 Thread 0x00005db8 (most recent call first):
    4953   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4954   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4955   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4956   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4957 
    4958 Thread 0x00007dac (most recent call first):
    4959   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4960   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4961   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4962   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4963 
    4964 Thread 0x00002590 (most recent call first):
    4965   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4966   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4967   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4968   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4969 
    4970 Thread 0x000008dc (most recent call first):
    4971   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4972   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4973   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4974   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4975 
    4976 Thread 0x00006b10 (most recent call first):
    4977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    4978   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4979   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4980   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4981 
    4982 Thread 0x00007378 (most recent call first):
    4983   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4984   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4985   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    4986   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    4987   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    4988   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    4989   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    4990 Windows fatal exception: code 0x8001010e
    4991 
    4992 Thread 0x000079cc (most recent call first):
    4993   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4994   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    4995   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    4996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    4997 
    4998 Thread 0x00007ab0 (most recent call first):
    4999   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5000   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5001   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5003 
    5004 Thread 0x000026f4 (most recent call first):
    5005   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5006   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5007   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5009   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5010   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5011   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5012 
    5013 Thread 0x000057ac (most recent call first):
    5014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5015   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5016   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5018 
    5019 Thread 0x00001ea8 (most recent call first):
    5020   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5021   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5022   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5024 
    5025 Thread 0x000079a0 (most recent call first):
    5026   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5027   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5028   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5029   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5030 
    5031 Thread 0x00005db8 (most recent call first):
    5032   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5033   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5034   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5035   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5036 
    5037 Thread 0x00007dac (most recent call first):
    5038   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5039   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5040   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5041   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5042 
    5043 Thread 0x00002590 (most recent call first):
    5044   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5045   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5046   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5047   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5048 
    5049 Thread 0x000008dc (most recent call first):
    5050   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5051   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5052   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5053   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5054 
    5055 Thread 0x00006b10 (most recent call first):
    5056   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5057   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5058   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5059   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5060 
    5061 Thread 0x00007378 (most recent call first):
    5062   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5063   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5064   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5065   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5067   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5068   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5069 Windows fatal exception: code 0x8001010e
    5070 
    5071 Thread 0x000079cc (most recent call first):
    5072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5073   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5074   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5076 
    5077 Thread 0x00007ab0 (most recent call first):
    5078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5079   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5080   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5082 
    5083 Thread 0x000026f4 (most recent call first):
    5084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5085   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5086   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5088   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5089   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5091 
    5092 Thread 0x000057ac (most recent call first):
    5093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5094   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5095   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5097 
    5098 Thread 0x00001ea8 (most recent call first):
    5099   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5100   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5101   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5103 
    5104 Thread 0x000079a0 (most recent call first):
    5105   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5106   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5107   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5109 
    5110 Thread 0x00005db8 (most recent call first):
    5111   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5112   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5115 
    5116 Thread 0x00007dac (most recent call first):
    5117   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5118   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5119   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5120   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5121 
    5122 Thread 0x00002590 (most recent call first):
    5123   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5124   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5125   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5126   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5127 
    5128 Thread 0x000008dc (most recent call first):
    5129   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5130   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5131   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5132   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5133 
    5134 Thread 0x00006b10 (most recent call first):
    5135   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5136   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5137   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5138   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5139 
    5140 Thread 0x00007378 (most recent call first):
    5141   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5142   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5143   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5144   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5146   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5147   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5148 Windows fatal exception: code 0x8001010e
    5149 
    5150 Thread 0x000079cc (most recent call first):
    5151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5152   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5153   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5155 
    5156 Thread 0x00007ab0 (most recent call first):
    5157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5158   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5159   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5161 
    5162 Thread 0x000026f4 (most recent call first):
    5163   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5164   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5165   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5167   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5168   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5169   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5170 
    5171 Thread 0x000057ac (most recent call first):
    5172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5173   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5174   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5176 
    5177 Thread 0x00001ea8 (most recent call first):
    5178   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5179   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5180   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5181   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5182 
    5183 Thread 0x000079a0 (most recent call first):
    5184   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5185   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5186   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5187   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5188 
    5189 Thread 0x00005db8 (most recent call first):
    5190   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5191   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5192   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5194 
    5195 Thread 0x00007dac (most recent call first):
    5196   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5197   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5198   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5199   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5200 
    5201 Thread 0x00002590 (most recent call first):
    5202   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5203   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5204   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5206 
    5207 Thread 0x000008dc (most recent call first):
    5208   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5209   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5210   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5212 
    5213 Thread 0x00006b10 (most recent call first):
    5214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5215   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5216   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5218 
    5219 Thread 0x00007378 (most recent call first):
    5220   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5221   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5222   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5224   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5225   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5226   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5227 Windows fatal exception: code 0x8001010e
    5228 
    5229 Thread 0x000079cc (most recent call first):
    5230   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5231   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5232   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5234 
    5235 Thread 0x00007ab0 (most recent call first):
    5236   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5237   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5238   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5240 
    5241 Thread 0x000026f4 (most recent call first):
    5242   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5243   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5246   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5247   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5248   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5249 
    5250 Thread 0x000057ac (most recent call first):
    5251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5252   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5253   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5254   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5255 
    5256 Thread 0x00001ea8 (most recent call first):
    5257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5258   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5259   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5261 
    5262 Thread 0x000079a0 (most recent call first):
    5263   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5264   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5265   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5267 
    5268 Thread 0x00005db8 (most recent call first):
    5269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5270   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5271   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5273 
    5274 Thread 0x00007dac (most recent call first):
    5275   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5276   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5277   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5278   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5279 
    5280 Thread 0x00002590 (most recent call first):
    5281   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5282   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5283   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5285 
    5286 Thread 0x000008dc (most recent call first):
    5287   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5288   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5289   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5290   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5291 
    5292 Thread 0x00006b10 (most recent call first):
    5293   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5294   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5295   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5296   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5297 
    5298 Thread 0x00007378 (most recent call first):
    5299   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5300   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5301   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5302   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5303   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5304   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5305   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5306 Windows fatal exception: code 0x8001010e
    5307 
    5308 Thread 0x000079cc (most recent call first):
    5309   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5310   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5311   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5313 
    5314 Thread 0x00007ab0 (most recent call first):
    5315   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5316   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5317   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5319 
    5320 Thread 0x000026f4 (most recent call first):
    5321   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5322   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5323   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5325   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5326   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5327   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5328 
    5329 Thread 0x000057ac (most recent call first):
    5330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5331   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5332   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5333   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5334 
    5335 Thread 0x00001ea8 (most recent call first):
    5336   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5337   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5338   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5339   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5340 
    5341 Thread 0x000079a0 (most recent call first):
    5342   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5343   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5344   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5345   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5346 
    5347 Thread 0x00005db8 (most recent call first):
    5348   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5349   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5350   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5351   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5352 
    5353 Thread 0x00007dac (most recent call first):
    5354   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5355   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5356   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5357   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5358 
    5359 Thread 0x00002590 (most recent call first):
    5360   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5361   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5362   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5363   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5364 
    5365 Thread 0x000008dc (most recent call first):
    5366   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5367   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5368   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5369   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5370 
    5371 Thread 0x00006b10 (most recent call first):
    5372   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5373   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5374   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5375   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5376 
    5377 Thread 0x00007378 (most recent call first):
    5378   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5379   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5380   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5381   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5382   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5383   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5384   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5385 Windows fatal exception: code 0x8001010e
    5386 
    5387 Thread 0x000079cc (most recent call first):
    5388   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5389   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5390   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5391   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5392 
    5393 Thread 0x00007ab0 (most recent call first):
    5394   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5395   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5396   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5397   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5398 
    5399 Thread 0x000026f4 (most recent call first):
    5400   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5401   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5402   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5403   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5404   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5405   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5406   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5407 
    5408 Thread 0x000057ac (most recent call first):
    5409   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5410   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5411   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5412   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5413 
    5414 Thread 0x00001ea8 (most recent call first):
    5415   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5416   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5417   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5418   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5419 
    5420 Thread 0x000079a0 (most recent call first):
    5421   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5422   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5423   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5424   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5425 
    5426 Thread 0x00005db8 (most recent call first):
    5427   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5428   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5429   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5430   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5431 
    5432 Thread 0x00007dac (most recent call first):
    5433   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5434   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5435   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5436   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5437 
    5438 Thread 0x00002590 (most recent call first):
    5439   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5440   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5441   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5442   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5443 
    5444 Thread 0x000008dc (most recent call first):
    5445   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5446   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5447   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5448   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5449 
    5450 Thread 0x00006b10 (most recent call first):
    5451   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5452   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5453   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5454   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5455 
    5456 Thread 0x00007378 (most recent call first):
    5457   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5458   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5459   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5460   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5461   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5462   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5463   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5464 Windows fatal exception: code 0x8001010e
    5465 
    5466 Thread 0x000079cc (most recent call first):
    5467   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5468   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5469   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5470   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5471 
    5472 Thread 0x00007ab0 (most recent call first):
    5473   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5474   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5475   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5476   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5477 
    5478 Thread 0x000026f4 (most recent call first):
    5479   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5480   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5481   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5482   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5483   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5484   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5485   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5486 
    5487 Thread 0x000057ac (most recent call first):
    5488   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5489   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5490   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5491   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5492 
    5493 Thread 0x00001ea8 (most recent call first):
    5494   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5495   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5496   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5497   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5498 
    5499 Thread 0x000079a0 (most recent call first):
    5500   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5501   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5502   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5503   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5504 
    5505 Thread 0x00005db8 (most recent call first):
    5506   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5507   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5508   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5509   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5510 
    5511 Thread 0x00007dac (most recent call first):
    5512   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5513   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5514   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5515   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5516 
    5517 Thread 0x00002590 (most recent call first):
    5518   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5519   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5520   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5521   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5522 
    5523 Thread 0x000008dc (most recent call first):
    5524   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5525   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5526   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5527   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5528 
    5529 Thread 0x00006b10 (most recent call first):
    5530   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5531   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5532   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5533   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5534 
    5535 Thread 0x00007378 (most recent call first):
    5536   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5537   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5538   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5539   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5540   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5541   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5542   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5543 Windows fatal exception: code 0x8001010e
    5544 
    5545 Thread 0x000079cc (most recent call first):
    5546   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5547   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5548   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5550 
    5551 Thread 0x00007ab0 (most recent call first):
    5552   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5553   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5554   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5555   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5556 
    5557 Thread 0x000026f4 (most recent call first):
    5558   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5559   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5560   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5561   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5562   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5563   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5564   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5565 
    5566 Thread 0x000057ac (most recent call first):
    5567   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5568   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5569   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5570   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5571 
    5572 Thread 0x00001ea8 (most recent call first):
    5573   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5574   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5575   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5576   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5577 
    5578 Thread 0x000079a0 (most recent call first):
    5579   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5580   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5581   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5582   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5583 
    5584 Thread 0x00005db8 (most recent call first):
    5585   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5586   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5587   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5588   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5589 
    5590 Thread 0x00007dac (most recent call first):
    5591   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5592   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5593   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5594 Windows fatal exception: code 0x  File 8001010e"
    5595 
    5596 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e930
    5597 
    5598  in Windows fatal exception: _bootstrapcode 0x
    5599 8001010e
    5600 
    5601 
    5602 Thread 0xWindows fatal exception: 00002590code 0x (most recent call first):
    5603 8001010e  File
    5604 
    5605 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.pycode 0x"8001010e, line
    5606 
    5607 114Windows fatal exception:  in code 0xworker8001010e
    5608 
    5609 
    5610   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    5611 
    5612 , line Windows fatal exception: 910code 0x in 8001010erun
    5613 
    5614 
    5615 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    5616 
    5617 "Windows fatal exception: , line code 0x9738001010e in
    5618 
    5619 _bootstrap_innerWindows fatal exception:
    5620 code 0x  File 8001010e"
    5621 
    5622 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5623 
    5624 Thread 0x000008dc (most recent call first):
    5625   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5626   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5627   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5629 
    5630 Thread 0x00006b10 (most recent call first):
    5631   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5632   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5633   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5634   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5635 
    5636 Thread 0x00007378 (most recent call first):
    5637   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5638   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5639   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5640   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5641   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5642   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5643   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5644 Windows fatal exception: code 0x8001010e
    5645 
    5646 Thread 0x000079cc (most recent call first):
    5647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5648   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5649   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5650   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5651 
    5652 Thread 0x00007ab0 (most recent call first):
    5653   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5654   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5655   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5656   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5657 
    5658 Thread 0x000026f4 (most recent call first):
    5659   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5660   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5661   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5662   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5663   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5664   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5665   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5666 
    5667 Thread 0x000057ac (most recent call first):
    5668   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5669   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5670   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5671   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5672 
    5673 Thread 0x00001ea8 (most recent call first):
    5674   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5675   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5676   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5678 
    5679 Thread 0x000079a0 (most recent call first):
    5680   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5681   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5682   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5683   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5684 
    5685 Thread 0x00005db8 (most recent call first):
    5686   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5687   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5688   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5689   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5690 
    5691 Thread 0x00007dac (most recent call first):
    5692   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5693   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5694   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5695   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5696 
    5697 Thread 0x00002590 (most recent call first):
    5698   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5699   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5700   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5702 
    5703 Thread 0x000008dc (most recent call first):
    5704   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5705   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5706   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5708 
    5709 Thread 0x00006b10 (most recent call first):
    5710   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5711   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5712   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5713   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5714 
    5715 Thread 0x00007378 (most recent call first):
    5716   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5717   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5718   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5719   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5720   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5721   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5722   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5723 Windows fatal exception: code 0x8001010e
    5724 
    5725 Thread 0x000079cc (most recent call first):
    5726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5727   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5728   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5729   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5730 
    5731 Thread 0x00007ab0 (most recent call first):
    5732   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5733   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5734   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5735   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5736 
    5737 Thread 0x000026f4 (most recent call first):
    5738   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5739   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5740   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5741   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5742   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5743   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5744   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5745 
    5746 Thread 0x000057ac (most recent call first):
    5747   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5748   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5749   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5750   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5751 
    5752 Thread 0x00001ea8 (most recent call first):
    5753   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5754   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5755   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5757 
    5758 Thread 0x000079a0 (most recent call first):
    5759   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5760   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5761   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5762   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5763 
    5764 Thread 0x00005db8 (most recent call first):
    5765   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5766   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5767   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5768   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5769 
    5770 Thread 0x00007dac (most recent call first):
    5771   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5772   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5773   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5774   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5775 
    5776 Thread 0x00002590 (most recent call first):
    5777   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5778   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5779   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5780   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5781 
    5782 Thread 0x000008dc (most recent call first):
    5783   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5784   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5785   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5786   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5787 
    5788 Thread 0x00006b10 (most recent call first):
    5789   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5790   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5791   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5792   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5793 
    5794 Thread 0x00007378 (most recent call first):
    5795   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5796   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5797   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5798   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5799   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5800   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5801   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5802 Windows fatal exception: code 0x8001010e
    5803 
    5804 Thread 0x000079cc (most recent call first):
    5805   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5806   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5807   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5808   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5809 
    5810 Thread 0x00007ab0 (most recent call first):
    5811   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5812   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5813   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5814   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5815 
    5816 Thread 0x000026f4 (most recent call first):
    5817   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5818   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5819   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5820   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5821   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5822   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5823   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5824 
    5825 Thread 0x000057ac (most recent call first):
    5826   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5827   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5828   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5829   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5830 
    5831 Thread 0x00001ea8 (most recent call first):
    5832   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5833   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5834   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5836 
    5837 Thread 0x000079a0 (most recent call first):
    5838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5839   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5840   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5841   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5842 
    5843 Thread 0x00005db8 (most recent call first):
    5844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5845   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5846   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5847   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5848 
    5849 Thread 0x00007dac (most recent call first):
    5850   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5851   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5852   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5853   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5854 
    5855 Thread 0x00002590 (most recent call first):
    5856   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5857   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5858   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5860 
    5861 Thread 0x000008dc (most recent call first):
    5862   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5863   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5864   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5866 
    5867 Thread 0x00006b10 (most recent call first):
    5868   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5869   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5870   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5871   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5872 
    5873 Thread 0x00007378 (most recent call first):
    5874   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5875   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5876   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5877   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5878   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5879   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5880   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5881 Windows fatal exception: code 0x8001010e
    5882 
    5883 Thread 0x000079cc (most recent call first):
    5884   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5885   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5886   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5887   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5888 
    5889 Thread 0x00007ab0 (most recent call first):
    5890   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5891   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5892   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5893   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5894 
    5895 Thread 0x000026f4 (most recent call first):
    5896   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5897   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5898   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5899   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5900   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5901   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5902   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5903 
    5904 Thread 0x000057ac (most recent call first):
    5905   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5906   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5907   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5908   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5909 
    5910 Thread 0x00001ea8 (most recent call first):
    5911   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5912   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5913   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5915 
    5916 Thread 0x000079a0 (most recent call first):
    5917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5918   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5919   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5920   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5921 
    5922 Thread 0x00005db8 (most recent call first):
    5923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5924   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5925   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5926   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5927 
    5928 Thread 0x00007dac (most recent call first):
    5929   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5930   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5931   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5932   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5933 
    5934 Thread 0x00002590 (most recent call first):
    5935   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5936   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5937   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5939 
    5940 Thread 0x000008dc (most recent call first):
    5941   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5942   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5943   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5945 
    5946 Thread 0x00006b10 (most recent call first):
    5947   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5948   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5949   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5950   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5951 
    5952 Thread 0x00007378 (most recent call first):
    5953   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5954   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5955   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    5956   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    5957   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    5958   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    5959   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    5960 Windows fatal exception: code 0x8001010e
    5961 
    5962 Thread 0x000079cc (most recent call first):
    5963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5964   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5965   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5966   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5967 
    5968 Thread 0x00007ab0 (most recent call first):
    5969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5970   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5971   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5972   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5973 
    5974 Thread 0x000026f4 (most recent call first):
    5975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    5977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5978   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5979   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5980   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5981   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5982 
    5983 Thread 0x000057ac (most recent call first):
    5984   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5985   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5986   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5987   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5988 
    5989 Thread 0x00001ea8 (most recent call first):
    5990   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5991   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5992   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5993   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    5994 
    5995 Thread 0x000079a0 (most recent call first):
    5996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    5997   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    5998   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    5999   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6000 
    6001 Thread 0x00005db8 (most recent call first):
    6002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6003   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6004   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6005   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6006 
    6007 Thread 0x00007dac (most recent call first):
    6008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6009   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6010   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6011   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6012 
    6013 Thread 0x00002590 (most recent call first):
    6014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6015   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6016   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6018 
    6019 Thread 0x000008dc (most recent call first):
    6020   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6021   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6022   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6024 
    6025 Thread 0x00006b10 (most recent call first):
    6026   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6027   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6028   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6029   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6030 
    6031 Thread 0x00007378 (most recent call first):
    6032   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6033   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6034   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6035   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6036   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6037   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6038   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6039 Windows fatal exception: code 0x8001010e
    6040 
    6041 Thread 0x000079cc (most recent call first):
    6042   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6043   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6044   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6045   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6046 
    6047 Thread 0x00007ab0 (most recent call first):
    6048   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6049   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6050   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6051   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6052 
    6053 Thread 0x000026f4 (most recent call first):
    6054   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6055   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6056   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6057   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6058   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6059   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6061 
    6062 Thread 0x000057ac (most recent call first):
    6063   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6064   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6065   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6067 
    6068 Thread 0x00001ea8 (most recent call first):
    6069   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6070   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6071   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6073 
    6074 Thread 0x000079a0 (most recent call first):
    6075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6076   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6077   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6079 
    6080 Thread 0x00005db8 (most recent call first):
    6081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6082   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6083   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6085 
    6086 Thread 0x00007dac (most recent call first):
    6087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6088   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6089   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6091 
    6092 Thread 0x00002590 (most recent call first):
    6093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6094   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6095   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6097 
    6098 Thread 0x000008dc (most recent call first):
    6099   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6100   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6101   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6103 
    6104 Thread 0x00006b10 (most recent call first):
    6105   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6106   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6107   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6109 
    6110 Thread 0x00007378 (most recent call first):
    6111   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6112   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6115   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6116   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6117   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6118 Windows fatal exception: code 0x8001010e
    6119 
    6120 Thread 0x000079cc (most recent call first):
    6121   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6122   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6123   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6124   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6125 
    6126 Thread 0x00007ab0 (most recent call first):
    6127   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6128   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6129   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6130   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6131 
    6132 Thread 0x000026f4 (most recent call first):
    6133   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6134   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6135   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6136   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6137   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6138   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6139   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6140 
    6141 Thread 0x000057ac (most recent call first):
    6142   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6143   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6144   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6146 
    6147 Thread 0x00001ea8 (most recent call first):
    6148   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6149   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6150   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6152 
    6153 Thread 0x000079a0 (most recent call first):
    6154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6155   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6156   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6158 
    6159 Thread 0x00005db8 (most recent call first):
    6160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6161   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6162   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6163   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6164 
    6165 Thread 0x00007dac (most recent call first):
    6166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6167   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6168   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6169   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6170 
    6171 Thread 0x00002590 (most recent call first):
    6172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6173   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6174   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6176 
    6177 Thread 0x000008dc (most recent call first):
    6178   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6179   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6180   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6181   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6182 
    6183 Thread 0x00006b10 (most recent call first):
    6184   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6185   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6186   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6187   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6188 
    6189 Thread 0x00007378 (most recent call first):
    6190   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6191   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6192   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6194   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6195   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6196   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6197 Windows fatal exception: code 0x8001010e
    6198 
    6199 Thread 0x000079cc (most recent call first):
    6200   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6201   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6202   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6203   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6204 
    6205 Thread 0x00007ab0 (most recent call first):
    6206   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6207   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6208   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6209   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6210 
    6211 Thread 0x000026f4 (most recent call first):
    6212   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6213   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6215   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6216   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6218   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6219 
    6220 Thread 0x000057ac (most recent call first):
    6221   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6222   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6224   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6225 
    6226 Thread 0x00001ea8 (most recent call first):
    6227   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6228   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6229   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6230   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6231 
    6232 Thread 0x000079a0 (most recent call first):
    6233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6234   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6235   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6236   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6237 
    6238 Thread 0x00005db8 (most recent call first):
    6239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6240   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6241   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6242   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6243 
    6244 Thread 0x00007dac (most recent call first):
    6245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6246   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6247   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6248   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6249 
    6250 Thread 0x00002590 (most recent call first):
    6251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6252   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6253   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6254   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6255 
    6256 Thread 0x000008dc (most recent call first):
    6257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6258   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6259   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6261 
    6262 Thread 0x00006b10 (most recent call first):
    6263   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6264   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6265   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6267 
    6268 Thread 0x00007378 (most recent call first):
    6269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6270   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6271   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6273   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6274   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6275   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6276 Windows fatal exception: code 0x8001010e
    6277 
    6278 Thread 0x000079cc (most recent call first):
    6279   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6280   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6281   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6282   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6283 
    6284 Thread 0x00007ab0 (most recent call first):
    6285   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6286   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6287   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6288   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6289 
    6290 Thread 0x000026f4 (most recent call first):
    6291   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6292   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6293   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6294   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6295   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6296   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6297   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6298 
    6299 Thread 0x000057ac (most recent call first):
    6300   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6301   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6302   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6303   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6304 
    6305 Thread 0x00001ea8 (most recent call first):
    6306   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6307   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6308   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6309   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6310 
    6311 Thread 0x000079a0 (most recent call first):
    6312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6313   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6314   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6315   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6316 
    6317 Thread 0x00005db8 (most recent call first):
    6318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6319   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6320   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6321   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6322 
    6323 Thread 0x00007dac (most recent call first):
    6324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6325   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6326   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6327   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6328 
    6329 Thread 0x00002590 (most recent call first):
    6330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6331   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6332   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6333   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6334 
    6335 Thread 0x000008dc (most recent call first):
    6336   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6337   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6338   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6339   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6340 
    6341 Thread 0x00006b10 (most recent call first):
    6342   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6343   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6344   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6345   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6346 
    6347 Thread 0x00007378 (most recent call first):
    6348   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6349   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6350   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6351   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6352   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6353   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6354   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6355 Windows fatal exception: code 0x8001010e
    6356 
    6357 Thread 0x000079cc (most recent call first):
    6358   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6359   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6360   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6361   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6362 
    6363 Thread 0x00007ab0 (most recent call first):
    6364   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6365   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6366   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6367   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6368 
    6369 Thread 0x000026f4 (most recent call first):
    6370   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6371   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6372   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6373   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6374   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6375   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6376   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6377 
    6378 Thread 0x000057ac (most recent call first):
    6379   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6380   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6381   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6382   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6383 
    6384 Thread 0x00001ea8 (most recent call first):
    6385   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6386   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6387   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6388   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6389 
    6390 Thread 0x000079a0 (most recent call first):
    6391   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6392   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6393   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6394   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6395 
    6396 Thread 0x00005db8 (most recent call first):
    6397   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6398   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6399   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6400   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6401 
    6402 Thread 0x00007dac (most recent call first):
    6403   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6404   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6405   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6406   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6407 
    6408 Thread 0x00002590 (most recent call first):
    6409   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6410   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6411   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6412   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6413 
    6414 Thread 0x000008dc (most recent call first):
    6415   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6416   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6417   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6418   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6419 
    6420 Thread 0x00006b10 (most recent call first):
    6421   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6422   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6423   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6424   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6425 
    6426 Thread 0x00007378 (most recent call first):
    6427   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6428   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6429   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6430   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6431   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6432   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6433   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6434 Windows fatal exception: code 0x8001010e
    6435 
    6436 Thread 0x000079cc (most recent call first):
    6437   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6438   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6439   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6440   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6441 
    6442 Thread 0x00007ab0 (most recent call first):
    6443   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6444   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6445   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6446   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6447 
    6448 Thread 0x000026f4 (most recent call first):
    6449   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6450   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6451   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6452   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6453   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6454   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6455   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6456 
    6457 Thread 0x000057ac (most recent call first):
    6458   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6459   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6460   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6461   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6462 
    6463 Thread 0x00001ea8 (most recent call first):
    6464   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6465   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6466   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6467   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6468 
    6469 Thread 0x000079a0 (most recent call first):
    6470   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6471   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6472   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6473   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6474 
    6475 Thread 0x00005db8 (most recent call first):
    6476   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6477   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6478   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6479   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6480 
    6481 Thread 0x00007dac (most recent call first):
    6482   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6483   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6484   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6485   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6486 
    6487 Thread 0x00002590 (most recent call first):
    6488   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6489   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6490   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6491   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6492 
    6493 Thread 0x000008dc (most recent call first):
    6494   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6495   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6496   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6497   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6498 
    6499 Thread 0x00006b10 (most recent call first):
    6500   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6501   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6502   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6503   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6504 
    6505 Thread 0x00007378 (most recent call first):
    6506   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6507   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6508   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6509   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6510   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6511   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6512   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6513 Windows fatal exception: code 0x8001010e
    6514 
    6515 Thread 0x000079cc (most recent call first):
    6516   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6517   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6518   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6519   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6520 
    6521 Thread 0x00007ab0 (most recent call first):
    6522   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6523   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6524   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6525   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6526 
    6527 Thread 0x000026f4 (most recent call first):
    6528   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6529   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6530   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6531   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6532   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6533   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6534   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6535 
    6536 Thread 0x000057ac (most recent call first):
    6537   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6538   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6539   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6540   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6541 
    6542 Thread 0x00001ea8 (most recent call first):
    6543   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6544   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6545   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6546   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6547 
    6548 Thread 0x000079a0 (most recent call first):
    6549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6550   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6551   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6552   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6553 
    6554 Thread 0x00005db8 (most recent call first):
    6555   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6556   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6557   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6558   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6559 
    6560 Thread 0x00007dac (most recent call first):
    6561   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6562   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6563   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6564   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6565 
    6566 Thread 0x00002590 (most recent call first):
    6567   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6568   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6569   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6570   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6571 
    6572 Thread 0x000008dc (most recent call first):
    6573   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6574   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6575   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6576   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6577 
    6578 Thread 0x00006b10 (most recent call first):
    6579   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6580   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6581   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6582   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6583 
    6584 Thread 0x00007378 (most recent call first):
    6585   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6586   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6587   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6588   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6589   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6590   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6591   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6592 Windows fatal exception: code 0x8001010e
    6593 
    6594 Thread 0x000079cc (most recent call first):
    6595   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6596   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6597   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6598   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6599 
    6600 Thread 0x00007ab0 (most recent call first):
    6601   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6602   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6603   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6604   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6605 
    6606 Thread 0x000026f4 (most recent call first):
    6607   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6608   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6609   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6610   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6611   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6612   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6613   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6614 
    6615 Thread 0x000057ac (most recent call first):
    6616   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6617   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6618   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6619   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6620 
    6621 Thread 0x00001ea8 (most recent call first):
    6622   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6623   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6624   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6625   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6626 
    6627 Thread 0x000079a0 (most recent call first):
    6628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6629   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6630   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6631   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6632 
    6633 Thread 0x00005db8 (most recent call first):
    6634   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6635   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6636   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6637   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6638 
    6639 Thread 0x00007dac (most recent call first):
    6640   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6641   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6642   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6643   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6644 
    6645 Thread 0x00002590 (most recent call first):
    6646   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6648   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6649   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6650 
    6651 Thread 0x000008dc (most recent call first):
    6652   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6653   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6654   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6655   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6656 
    6657 Thread 0x00006b10 (most recent call first):
    6658   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6659   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6660   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6661   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6662 
    6663 Thread 0x00007378 (most recent call first):
    6664   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6665   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6666   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6667   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6668   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6669   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6670   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6671 Windows fatal exception: code 0x8001010e
    6672 
    6673 Thread 0x000079cc (most recent call first):
    6674   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6675   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6676   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6678 
    6679 Thread 0x00007ab0 (most recent call first):
    6680   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6681   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6682   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6683   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6684 
    6685 Thread 0x000026f4 (most recent call first):
    6686   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6687   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6688   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6689   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6690   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6691   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6692   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6693 
    6694 Thread 0x000057ac (most recent call first):
    6695   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6696   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6697   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6698   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6699 
    6700 Thread 0x00001ea8 (most recent call first):
    6701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6702   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6703   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6704   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6705 
    6706 Thread 0x000079a0 (most recent call first):
    6707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6708   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6709   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6710   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6711 
    6712 Thread 0x00005db8 (most recent call first):
    6713   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6714   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6715   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6716   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6717 
    6718 Thread 0x00007dac (most recent call first):
    6719   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6720   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6721   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6722   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6723 
    6724 Thread 0x00002590 (most recent call first):
    6725   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6727   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6728   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6729 
    6730 Thread 0x000008dc (most recent call first):
    6731   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6732   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6733   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6734   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6735 
    6736 Thread 0x00006b10 (most recent call first):
    6737   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6738   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6739   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6740   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6741 
    6742 Thread 0x00007378 (most recent call first):
    6743   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6744   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6745   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6746   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6747   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6748   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6749   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6750 Windows fatal exception: code 0x8001010e
    6751 
    6752 Thread 0x000079cc (most recent call first):
    6753   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6754   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6755   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6757 
    6758 Thread 0x00007ab0 (most recent call first):
    6759   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6760   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6761   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6762   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6763 
    6764 Thread 0x000026f4 (most recent call first):
    6765   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6766   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6767   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6768   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6769   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6770   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6771   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6772 
    6773 Thread 0x000057ac (most recent call first):
    6774   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6775   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6776   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6777   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6778 
    6779 Thread 0x00001ea8 (most recent call first):
    6780   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6781   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6782   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6783   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6784 
    6785 Thread 0x000079a0 (most recent call first):
    6786   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6787   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6788   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6789   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6790 
    6791 Thread 0x00005db8 (most recent call first):
    6792   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6793   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6794   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6795   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6796 
    6797 Thread 0x00007dac (most recent call first):
    6798   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6799   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6800   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6801   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6802 
    6803 Thread 0x00002590 (most recent call first):
    6804   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6805   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6806   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6807   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6808 
    6809 Thread 0x000008dc (most recent call first):
    6810   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6811   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6812   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6813   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6814 
    6815 Thread 0x00006b10 (most recent call first):
    6816   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6817   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6818   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6819   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6820 
    6821 Thread 0x00007378 (most recent call first):
    6822   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6823   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6824   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6825   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6826   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6827   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6828   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6829 Windows fatal exception: code 0x8001010e
    6830 
    6831 Thread 0x000079cc (most recent call first):
    6832   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6833   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6834   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6836 
    6837 Thread 0x00007ab0 (most recent call first):
    6838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6839   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6840   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6841   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6842 
    6843 Thread 0x000026f4 (most recent call first):
    6844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6845   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6846   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6847   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6848   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6849   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6850   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6851 
    6852 Thread 0x000057ac (most recent call first):
    6853   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6854   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6855   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6856   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6857 
    6858 Thread 0x00001ea8 (most recent call first):
    6859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6860   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6861   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6862   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6863 
    6864 Thread 0x000079a0 (most recent call first):
    6865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6866   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6867   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6868   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6869 
    6870 Thread 0x00005db8 (most recent call first):
    6871   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6872   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6873   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6874   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6875 
    6876 Thread 0x00007dac (most recent call first):
    6877   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6878   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6879   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6880   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6881 
    6882 Thread 0x00002590 (most recent call first):
    6883   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6884   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6885   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6886   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6887 
    6888 Thread 0x000008dc (most recent call first):
    6889   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6890   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6891   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6892   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6893 
    6894 Thread 0x00006b10 (most recent call first):
    6895   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6896   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6897   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6898   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6899 
    6900 Thread 0x00007378 (most recent call first):
    6901   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6902   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6903   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6904   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6905   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6906   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6907   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6908 Windows fatal exception: code 0x8001010e
    6909 
    6910 Thread 0x000079cc (most recent call first):
    6911   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6912   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6913   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6915 
    6916 Thread 0x00007ab0 (most recent call first):
    6917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6918   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6919   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6920   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6921 
    6922 Thread 0x000026f4 (most recent call first):
    6923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6924   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    6925   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6926   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6927   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6928   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6929   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6930 
    6931 Thread 0x000057ac (most recent call first):
    6932   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6933   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6934   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6935   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6936 
    6937 Thread 0x00001ea8 (most recent call first):
    6938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6939   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6940   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6941   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6942 
    6943 Thread 0x000079a0 (most recent call first):
    6944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6945   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6946   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6947   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6948 
    6949 Thread 0x00005db8 (most recent call first):
    6950   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6951   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6952   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6953   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6954 
    6955 Thread 0x00007dac (most recent call first):
    6956   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6957   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6958   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6959   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6960 
    6961 Thread 0x00002590 (most recent call first):
    6962   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6964   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6965   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6966 
    6967 Thread 0x000008dc (most recent call first):
    6968   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6970   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6971   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6972 
    6973 Thread 0x00006b10 (most recent call first):
    6974   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    6975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6978 
    6979 Thread 0x00007378 (most recent call first):
    6980   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6981   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6982   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    6983   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    6984   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    6985   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    6986   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    6987 Windows fatal exception: code 0x8001010e
    6988 
    6989 Thread 0x000079cc (most recent call first):
    6990   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6991   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6992   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6993   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    6994 
    6995 Thread 0x00007ab0 (most recent call first):
    6996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6997   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    6998   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    6999   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7000 
    7001 Thread 0x000026f4 (most recent call first):
    7002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7003   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7004   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7005   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7006   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7007   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7009 
    7010 Thread 0x000057ac (most recent call first):
    7011   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7012   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7013   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7015 
    7016 Thread 0x00001ea8 (most recent call first):
    7017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7018   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7019   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7020   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7021 
    7022 Thread 0x000079a0 (most recent call first):
    7023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7024   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7025   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7026   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7027 
    7028 Thread 0x00005db8 (most recent call first):
    7029   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7030   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7031   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7032   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7033 
    7034 Thread 0x00007dac (most recent call first):
    7035   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7036   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7037   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7038   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7039 
    7040 Thread 0x00002590 (most recent call first):
    7041   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7042   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7043   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7044   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7045 
    7046 Thread 0x000008dc (most recent call first):
    7047   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7048   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7049   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7050   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7051 
    7052 Thread 0x00006b10 (most recent call first):
    7053   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7054   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7055   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7056   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7057 
    7058 Thread 0x00007378 (most recent call first):
    7059   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\mouse_modes\mousemodes.py", line 519 in _mouse_buttons_down
    7060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\mouse_modes\mousemodes.py", line 494 in mouse_pause_tracking
    7061   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\core\updateloop.py", line 141 in _redraw_timer_callback
    7062   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7063   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7064   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7065   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7067   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7068   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7069 Windows fatal exception: code 0x8001010e
    7070 
    7071 Thread 0x000079cc (most recent call first):
    7072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7073   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7074   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7076 
    7077 Thread 0x00007ab0 (most recent call first):
    7078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7079   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7080   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7082 
    7083 Thread 0x000026f4 (most recent call first):
    7084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7085   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7086   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7088   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7089   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7091 
    7092 Thread 0x000057ac (most recent call first):
    7093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7094   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7095   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7097 
    7098 Thread 0x00001ea8 (most recent call first):
    7099   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7100   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7101   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7103 
    7104 Thread 0x000079a0 (most recent call first):
    7105   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7106   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7107   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7109 
    7110 Thread 0x00005db8 (most recent call first):
    7111   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7112   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7115 
    7116 Thread 0x00007dac (most recent call first):
    7117   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7118   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7119   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7120   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7121 
    7122 Thread 0x00002590 (most recent call first):
    7123   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7124   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7125   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7126   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7127 
    7128 Thread 0x000008dc (most recent call first):
    7129   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7130   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7131   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7132   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7133 
    7134 Thread 0x00006b10 (most recent call first):
    7135   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7136   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7137   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7138   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7139 
    7140 Thread 0x00007378 (most recent call first):
    7141   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7142   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7143   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7144   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7146   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7147   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7148 Windows fatal exception: code 0x8001010e
    7149 
    7150 Thread 0x000079cc (most recent call first):
    7151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7152   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7153   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7155 
    7156 Thread 0x00007ab0 (most recent call first):
    7157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7158   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7159   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7161 
    7162 Thread 0x000026f4 (most recent call first):
    7163   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7164   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7165   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7167   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7168   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7169   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7170 
    7171 Thread 0x000057ac (most recent call first):
    7172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7173   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7174   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7176 
    7177 Thread 0x00001ea8 (most recent call first):
    7178   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7179   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7180   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7181   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7182 
    7183 Thread 0x000079a0 (most recent call first):
    7184   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7185   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7186   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7187   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7188 
    7189 Thread 0x00005db8 (most recent call first):
    7190   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7191   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7192   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7194 
    7195 Thread 0x00007dac (most recent call first):
    7196   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7197   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7198   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7199   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7200 
    7201 Thread 0x00002590 (most recent call first):
    7202   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7203   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7204   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7206 
    7207 Thread 0x000008dc (most recent call first):
    7208   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7209   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7210   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7212 
    7213 Thread 0x00006b10 (most recent call first):
    7214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7215   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7216   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7218 
    7219 Thread 0x00007378 (most recent call first):
    7220   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7221   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7222   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7224   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7225   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7226   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7227 Windows fatal exception: code 0x8001010e
    7228 
    7229 Thread 0x000079cc (most recent call first):
    7230   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7231   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7232   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7234 
    7235 Thread 0x00007ab0 (most recent call first):
    7236   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7237   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7238   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7240 
    7241 Thread 0x000026f4 (most recent call first):
    7242   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7243   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7246   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7247   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7248   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7249 
    7250 Thread 0x000057ac (most recent call first):
    7251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7252   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7253   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7254   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7255 
    7256 Thread 0x00001ea8 (most recent call first):
    7257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7258   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7259   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7261 
    7262 Thread 0x000079a0 (most recent call first):
    7263   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7264   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7265   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7267 
    7268 Thread 0x00005db8 (most recent call first):
    7269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7270   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7271   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7273 
    7274 Thread 0x00007dac (most recent call first):
    7275   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7276   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7277   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7278   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7279 
    7280 Thread 0x00002590 (most recent call first):
    7281   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7282   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7283   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7285 
    7286 Thread 0x000008dc (most recent call first):
    7287   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7288   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7289   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7290   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7291 
    7292 Thread 0x00006b10 (most recent call first):
    7293   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7294   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7295   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7296   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7297 
    7298 Thread 0x00007378 (most recent call first):
    7299   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7300   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7301   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7302   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7303   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7304   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7305   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7306 Windows fatal exception: code 0x8001010e
    7307 
    7308 Thread 0x000079cc (most recent call first):
    7309   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7310   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7311   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7312   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7313 
    7314 Thread 0x00007ab0 (most recent call first):
    7315   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7316   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7317   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7318   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7319 
    7320 Thread 0x000026f4 (most recent call first):
    7321   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7322   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7323   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7324   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7325   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7326   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7327   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7328 
    7329 Thread 0x000057ac (most recent call first):
    7330   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7331   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7332   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7333   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7334 
    7335 Thread 0x00001ea8 (most recent call first):
    7336   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7337   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7338   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7339   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7340 
    7341 Thread 0x000079a0 (most recent call first):
    7342   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7343   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7344   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7345   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7346 
    7347 Thread 0x00005db8 (most recent call first):
    7348   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7349   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7350   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7351   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7352 
    7353 Thread 0x00007dac (most recent call first):
    7354   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7355   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7356   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7357   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7358 
    7359 Thread 0x00002590 (most recent call first):
    7360   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7361   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7362   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7363   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7364 
    7365 Thread 0x000008dc (most recent call first):
    7366   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7367   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7368   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7369   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7370 
    7371 Thread 0x00006b10 (most recent call first):
    7372   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7373   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7374   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7375   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7376 
    7377 Thread 0x00007378 (most recent call first):
    7378   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7379   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7380   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loopWindows fatal exception: code 0x8001010e
    7381 
    7382 
    7383   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py8001010e"
    7384 
    7385 , line 870Windows fatal exception:  in code 0xinit8001010e
    7386 
    7387 
    7388   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py8001010e"
    7389 
    7390 , line Windows fatal exception: 1021code 0x in 8001010e
    7391 
    7392 
    7393 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py
    7394 
    7395 "Windows fatal exception: , line code 0x878001010e in
    7396 
    7397 _run_codeWindows fatal exception:
    7398 code 0x  File 8001010e"
    7399 
    7400 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.pyWindows fatal exception: "code 0x, line 8001010e197
    7401 
    7402  in Windows fatal exception: _run_module_as_maincode 0x
    7403 8001010eWindows fatal exception:
    7404 
    7405 code 0xThread 0x8001010e000079cc
    7406 
    7407  (most recent call first):
    7408 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py
    7409 
    7410 "Windows fatal exception: , line code 0x5768001010e in
    7411 
    7412 _handle_resultsWindows fatal exception:
    7413 code 0x  File 8001010e"
    7414 
    7415 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e910
    7416 
    7417  in Windows fatal exception: runcode 0x
    7418 8001010e  File
    7419 
    7420 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    7421 
    7422 973Windows fatal exception:  in code 0x_bootstrap_inner8001010e
    7423 
    7424 
    7425   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    7426 
    7427 , line 930 in _bootstrap
    7428 
    7429 Thread 0x00007ab0 (most recent call first):
    7430   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7431   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7432   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7433   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7434 
    7435 Thread 0x000026f4 (most recent call first):
    7436   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7437   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7438   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7439   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7440   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7441   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7442   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7443 
    7444 Thread 0x000057ac (most recent call first):
    7445   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7446   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7447   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7448   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7449 
    7450 Thread 0x00001ea8 (most recent call first):
    7451   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7452   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7453   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7454   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7455 
    7456 Thread 0x000079a0 (most recent call first):
    7457   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7458   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7459   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7460   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7461 
    7462 Thread 0x00005db8 (most recent call first):
    7463   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7464   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7465   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7466   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7467 
    7468 Thread 0x00007dac (most recent call first):
    7469   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7470   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7471   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7472   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7473 
    7474 Thread 0x00002590 (most recent call first):
    7475   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7476   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7477   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7478   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7479 
    7480 Thread 0x000008dc (most recent call first):
    7481   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7482 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    7483 
    7484 ", line Windows fatal exception: 910code 0x in 8001010erun
    7485 
    7486 
    7487 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    7488 
    7489 "Windows fatal exception: , line code 0x9738001010e in
    7490 
    7491 _bootstrap_innerWindows fatal exception:
    7492 code 0x  File 8001010e"
    7493 
    7494 C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pyWindows fatal exception: "code 0x, line 8001010e930
    7495 
    7496  in Windows fatal exception: _bootstrapcode 0x
    7497 8001010e
    7498 
    7499 
    7500 Thread 0xWindows fatal exception: 00006b10code 0x (most recent call first):
    7501 8001010e  File
    7502 
    7503 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.pycode 0x"8001010e, line
    7504 
    7505 114Windows fatal exception:  in code 0xworker8001010e
    7506 
    7507 
    7508   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    7509 
    7510 , line 910 in run
    7511   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7512   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7513 
    7514 Thread 0x00007378 (most recent call first):
    7515   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7516   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7517   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7518   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7519   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7520   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7521   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7522 Windows fatal exception: code 0x8001010e
    7523 
    7524 Thread 0x000079cc (most recent call first):
    7525   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7526   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7527   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7528   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7529 
    7530 Thread 0x00007ab0 (most recent call first):
    7531   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7532   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7533   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7534   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7535 
    7536 Thread 0x000026f4 (most recent call first):
    7537   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7538   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7539   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7540   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7541   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7542   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7543   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7544 
    7545 Thread 0x000057ac (most recent call first):
    7546   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7547   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7548   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7549   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7550 
    7551 Thread 0x00001ea8 (most recent call first):
    7552   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7553   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7554   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7555   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7556 
    7557 Thread 0x000079a0 (most recent call first):
    7558   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7559   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7560   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7561   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7562 
    7563 Thread 0x00005db8 (most recent call first):
    7564   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7565   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7566   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7567   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in Windows fatal exception: _bootstrapcode 0x
    7568 8001010e
    7569 
    7570 
    7571 Thread 0xWindows fatal exception: 00007daccode 0x (most recent call first):
    7572 8001010e  File
    7573 
    7574 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.pycode 0x"8001010e, line 114
    7575 
    7576  in Windows fatal exception: workercode 0x
    7577 8001010e  File
    7578 
    7579 "Windows fatal exception: C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.pycode 0x"8001010e, line
    7580 
    7581 910Windows fatal exception:  in code 0xrun8001010e
    7582 
    7583 
    7584   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    7585 
    7586 , line Windows fatal exception: 973code 0x in 8001010e_bootstrap_inner
    7587 
    7588 
    7589 Windows fatal exception:   File code 0x"8001010eC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py
    7590 
    7591 "Windows fatal exception: , line code 0x9308001010e in
    7592 
    7593 _bootstrapWindows fatal exception:
    7594 code 0x
    7595 8001010eThread 0x
    7596 
    7597 00002590 (most recent call first):
    7598   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7599   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7600   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7601   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7602 
    7603 Thread 0x000008dc (most recent call first):
    7604   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7605   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7606   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7607   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7608 
    7609 Thread 0x00006b10 (most recent call first):
    7610   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7611   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7612   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7613   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7614 
    7615 Thread 0x00007378 (most recent call first):
    7616   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7617   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7618   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7619   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7620   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7621   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7622   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7623 Windows fatal exception: code 0x8001010e
    7624 
    7625 Thread 0x000079cc (most recent call first):
    7626   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7627   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7628   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7629   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7630 
    7631 Thread 0x00007ab0 (most recent call first):
    7632   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7633   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7634   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7635   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7636 
    7637 Thread 0x000026f4 (most recent call first):
    7638   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7639   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7640   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7641   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7642   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7643   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7644   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7645 
    7646 Thread 0x000057ac (most recent call first):
    7647   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7648   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7649   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7650   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7651 
    7652 Thread 0x00001ea8 (most recent call first):
    7653   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7654   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7655   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7656   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7657 
    7658 Thread 0x000079a0 (most recent call first):
    7659   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7660   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7661   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7662   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7663 
    7664 Thread 0x00005db8 (most recent call first):
    7665   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7666   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7667   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7668   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7669 
    7670 Thread 0x00007dac (most recent call first):
    7671   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7672   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7673   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7674   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7675 
    7676 Thread 0x00002590 (most recent call first):
    7677   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7678   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7679   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7680   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7681 
    7682 Thread 0x000008dc (most recent call first):
    7683   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7684   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7685   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7686   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7687 
    7688 Thread 0x00006b10 (most recent call first):
    7689   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7690   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7691   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7692   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7693 
    7694 Thread 0x00007378 (most recent call first):
    7695   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7696   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7697   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7698   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7699   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7700   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7701   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7702 Windows fatal exception: code 0x8001010e
    7703 
    7704 Thread 0x000079cc (most recent call first):
    7705   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7706   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7707   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7708   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7709 
    7710 Thread 0x00007ab0 (most recent call first):
    7711   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7712   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7713   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7714   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7715 
    7716 Thread 0x000026f4 (most recent call first):
    7717   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7718   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7719   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7720   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7721   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7722   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7723   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7724 
    7725 Thread 0x000057ac (most recent call first):
    7726   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7727   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7728   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7729   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7730 
    7731 Thread 0x00001ea8 (most recent call first):
    7732   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7733   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7734   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7735   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7736 
    7737 Thread 0x000079a0 (most recent call first):
    7738   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7739   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7740   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7741   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7742 
    7743 Thread 0x00005db8 (most recent call first):
    7744   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7745   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7746   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7747   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7748 
    7749 Thread 0x00007dac (most recent call first):
    7750   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7751   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7752   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7753   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7754 
    7755 Thread 0x00002590 (most recent call first):
    7756   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7757   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7758   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7759   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7760 
    7761 Thread 0x000008dc (most recent call first):
    7762   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7763   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7764   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7765   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7766 
    7767 Thread 0x00006b10 (most recent call first):
    7768   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7769   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7770   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7771   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7772 
    7773 Thread 0x00007378 (most recent call first):
    7774   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7775   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7776   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7777   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7778   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7779   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7780   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7781 Windows fatal exception: code 0x8001010e
    7782 
    7783 Thread 0x000079cc (most recent call first):
    7784   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7785   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7786   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7787   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7788 
    7789 Thread 0x00007ab0 (most recent call first):
    7790   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7791   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7792   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7793   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7794 
    7795 Thread 0x000026f4 (most recent call first):
    7796   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7797   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7798   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7799   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7800   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7801   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7802   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7803 
    7804 Thread 0x000057ac (most recent call first):
    7805   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7806   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7807   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7808   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7809 
    7810 Thread 0x00001ea8 (most recent call first):
    7811   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7812   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7813   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7814   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7815 
    7816 Thread 0x000079a0 (most recent call first):
    7817   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7818   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7819   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7820   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7821 
    7822 Thread 0x00005db8 (most recent call first):
    7823   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7824   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7825   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7826   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7827 
    7828 Thread 0x00007dac (most recent call first):
    7829   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7830   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7831   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7832   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7833 
    7834 Thread 0x00002590 (most recent call first):
    7835   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7836   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7837   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7838   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7839 
    7840 Thread 0x000008dc (most recent call first):
    7841   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7842   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7843   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7844   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7845 
    7846 Thread 0x00006b10 (most recent call first):
    7847   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7848   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7849   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7850   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7851 
    7852 Thread 0x00007378 (most recent call first):
    7853   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7854   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7855   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7856   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7857   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7858   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7859   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7860 Windows fatal exception: code 0x8001010e
    7861 
    7862 Thread 0x000079cc (most recent call first):
    7863   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7864   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7865   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7866   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7867 
    7868 Thread 0x00007ab0 (most recent call first):
    7869   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7870   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7871   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7872   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7873 
    7874 Thread 0x000026f4 (most recent call first):
    7875   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7876   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7877   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7878   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7879   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7880   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7881   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7882 
    7883 Thread 0x000057ac (most recent call first):
    7884   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7885   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7886   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7887   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7888 
    7889 Thread 0x00001ea8 (most recent call first):
    7890   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7891   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7892   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7893   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7894 
    7895 Thread 0x000079a0 (most recent call first):
    7896   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7897   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7898   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7899   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7900 
    7901 Thread 0x00005db8 (most recent call first):
    7902   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7903   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7904   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7905   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7906 
    7907 Thread 0x00007dac (most recent call first):
    7908   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7909   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7910   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7911   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7912 
    7913 Thread 0x00002590 (most recent call first):
    7914   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7915   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7916   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7917   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7918 
    7919 Thread 0x000008dc (most recent call first):
    7920   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7921   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7922   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7923   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7924 
    7925 Thread 0x00006b10 (most recent call first):
    7926   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7927   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7928   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7929   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7930 
    7931 Thread 0x00007378 (most recent call first):
    7932   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7933   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7934   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    7935   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    7936   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    7937   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    7938   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    7939 Windows fatal exception: code 0x8001010e
    7940 
    7941 Thread 0x000079cc (most recent call first):
    7942   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7943   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7944   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7945   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7946 
    7947 Thread 0x00007ab0 (most recent call first):
    7948   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7949   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7950   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7951   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7952 
    7953 Thread 0x000026f4 (most recent call first):
    7954   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7955   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    7956   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7957   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7958   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7959   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7960   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7961 
    7962 Thread 0x000057ac (most recent call first):
    7963   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7964   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7965   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7966   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7967 
    7968 Thread 0x00001ea8 (most recent call first):
    7969   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7970   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7971   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7972   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7973 
    7974 Thread 0x000079a0 (most recent call first):
    7975   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7976   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7977   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7978   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7979 
    7980 Thread 0x00005db8 (most recent call first):
    7981   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7982   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7983   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7984   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7985 
    7986 Thread 0x00007dac (most recent call first):
    7987   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7988   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7989   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7990   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7991 
    7992 Thread 0x00002590 (most recent call first):
    7993   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    7994   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    7995   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    7996   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    7997 
    7998 Thread 0x000008dc (most recent call first):
    7999   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8000   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8001   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8002   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8003 
    8004 Thread 0x00006b10 (most recent call first):
    8005   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8006   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8007   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8008   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8009 
    8010 Thread 0x00007378 (most recent call first):
    8011   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8012   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8013   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    8014   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    8015   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    8016   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    8017   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    8018 Windows fatal exception: code 0x8001010e
    8019 
    8020 Thread 0x000079cc (most recent call first):
    8021   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    8022   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8023   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8024   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8025 
    8026 Thread 0x00007ab0 (most recent call first):
    8027   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    8028   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8029   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8030   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8031 
    8032 Thread 0x000026f4 (most recent call first):
    8033   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    8034   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    8035   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    8036   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    8037   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8038   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8039   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8040 
    8041 Thread 0x000057ac (most recent call first):
    8042   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8043   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8044   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8045   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8046 
    8047 Thread 0x00001ea8 (most recent call first):
    8048   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8049   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8050   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8051   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8052 
    8053 Thread 0x000079a0 (most recent call first):
    8054   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8055   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8056   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8057   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8058 
    8059 Thread 0x00005db8 (most recent call first):
    8060   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8061   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8062   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8063   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8064 
    8065 Thread 0x00007dac (most recent call first):
    8066   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8067   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8068   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8069   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8070 
    8071 Thread 0x00002590 (most recent call first):
    8072   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8073   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8074   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8075   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8076 
    8077 Thread 0x000008dc (most recent call first):
    8078   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8079   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8080   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8081   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8082 
    8083 Thread 0x00006b10 (most recent call first):
    8084   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8085   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8086   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8087   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8088 
    8089 Thread 0x00007378 (most recent call first):
    8090   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8091   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8092   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    8093   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    8094   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    8095   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    8096   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    8097 Windows fatal exception: code 0x8001010e
    8098 
    8099 Thread 0x000079cc (most recent call first):
    8100   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    8101   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8102   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8103   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8104 
    8105 Thread 0x00007ab0 (most recent call first):
    8106   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    8107   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8108   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8109   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8110 
    8111 Thread 0x000026f4 (most recent call first):
    8112   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    8113   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    8114   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    8115   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    8116   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8117   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8118   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8119 
    8120 Thread 0x000057ac (most recent call first):
    8121   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8122   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8123   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8124   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8125 
    8126 Thread 0x00001ea8 (most recent call first):
    8127   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8128   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8129   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8130   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8131 
    8132 Thread 0x000079a0 (most recent call first):
    8133   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8134   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8135   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8136   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8137 
    8138 Thread 0x00005db8 (most recent call first):
    8139   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8140   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8141   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8142   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8143 
    8144 Thread 0x00007dac (most recent call first):
    8145   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8146   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8147   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8148   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8149 
    8150 Thread 0x00002590 (most recent call first):
    8151   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8152   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8153   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8154   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8155 
    8156 Thread 0x000008dc (most recent call first):
    8157   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8158   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8159   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8160   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8161 
    8162 Thread 0x00006b10 (most recent call first):
    8163   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8164   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8165   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8166   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8167 
    8168 Thread 0x00007378 (most recent call first):
    8169   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8170   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8171   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    8172   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    8173   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    8174   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    8175   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_mainWindows fatal exception:
    8176 code 0x8001010eWindows fatal exception:
    8177 
    8178 code 0xThread 0x8001010e000079cc
    8179 
    8180  (most recent call first):
    8181 Windows fatal exception: code 0x  File 8001010e"C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line
    8182 
    8183 576Windows fatal exception:  in code 0x_handle_results8001010e
    8184 
    8185 
    8186   File Windows fatal exception: "code 0xC:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py8001010e"
    8187 
    8188 , line 910 in run
    8189   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8190   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8191 
    8192 Thread 0x00007ab0 (most recent call first):
    8193   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    8194   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8195   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8196   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8197 
    8198 Thread 0x000026f4 (most recent call first):
    8199   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    8200   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    8201   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    8202   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    8203   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8204   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8205   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8206 
    8207 Thread 0x000057ac (most recent call first):
    8208   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8209   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8210   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8211   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8212 
    8213 Thread 0x00001ea8 (most recent call first):
    8214   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8215   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8216   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8217   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8218 
    8219 Thread 0x000079a0 (most recent call first):
    8220   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8221   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8222   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8223   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8224 
    8225 Thread 0x00005db8 (most recent call first):
    8226   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8227   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8228   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8229   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8230 
    8231 Thread 0x00007dac (most recent call first):
    8232   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8233   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8234   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8235   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8236 
    8237 Thread 0x00002590 (most recent call first):
    8238   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8239   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8240   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8241   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8242 
    8243 Thread 0x000008dc (most recent call first):
    8244   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8245   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8246   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8247   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8248 
    8249 Thread 0x00006b10 (most recent call first):
    8250   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 114 in worker
    8251   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8252   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8253   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8254 
    8255 Thread 0x00007378 (most recent call first):
    8256   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8257   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8258   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    8259   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 870 in init
    8260   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\site-packages\ChimeraX_main.py", line 1021 in
    8261   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 87 in _run_code
    8262   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\runpy.py", line 197 in _run_module_as_main
    8263 Windows fatal exception: code 0x8001010e
    8264 
    8265 Thread 0x000079cc (most recent call first):
    8266   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    8267   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8268   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8269   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8270 
    8271 Thread 0x00007ab0 (most recent call first):
    8272   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    8273   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8274   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8275   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
    8276 
    8277 Thread 0x000026f4 (most recent call first):
    8278   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    8279   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\connection.py", line 884 in wait
    8280   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    8281   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    8282   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 910 in run
    8283   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 973 in _bootstrap_inner
    8284   File "C:\Program Files\ChimeraX 1.4rc202205190126\bin\lib\threading.py", line 930 in _bootstrap
     957
     958[lots deleted to fit within ticket limits]
    8285959
    8286960Thread 0x000057ac (most recent call first):