Changes between Initial Version and Version 1 of Ticket #7162


Ignore:
Timestamp:
Jun 24, 2022, 9:17:51 AM (3 years ago)
Author:
Eric Pettersen
Comment:

Legend:

Unmodified
Added
Removed
Modified

  • Ticket #7162

    • 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

  • Ticket #7162 – Description

    initial v1  
    815815gWindows fatal exception: rcode 0xa8001010em
    816816
    817  Windows fatal exception: Fcode 0xi8001010el
    818 
    819 eWindows fatal exception: scode 0x\8001010eC
    820 
    821 hWindows fatal exception: icode 0xm8001010ee
    822 
    823 rWindows fatal exception: acode 0x8001010eX
    824 
    825 1Windows fatal exception: .code 0x48001010e.d
    826 
    827 ev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    828 
    829 Thread 0x00000914 (most recent call first):
    830   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    831   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    832   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    833   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    834 
    835 Thread 0x00001e5c (most recent call first):
    836   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    837   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    838   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    839   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    840   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    841   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    842   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    843 Windows fatal exception: code 0x8001010e
    844 
    845 Thread 0x000004f8 (most recent call first):
    846   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    848   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    849   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    850 
    851 Thread 0x00004114 (most recent call first):
    852   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    854   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    855   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    856 
    857 Thread 0x00003a54 (most recent call first):
    858   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    859   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    860   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    861   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    862   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    863   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    864   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    865 
    866 Thread 0x0000475c (most recent call first):
    867   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    868   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    869   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    871 
    872 Thread 0x00001e38 (most recent call first):
    873   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    874   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    875   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    877 
    878 Thread 0x00004274 (most recent call first):
    879   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    880   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    881   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    883 
    884 Thread 0x00003a28 (most recent call first):
    885   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    886   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    887   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    888   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    889 
    890 Thread 0x00003138 (most recent call first):
    891   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    892   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    893   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    894   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    895 
    896 Thread 0x00000c54 (most recent call first):
    897   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    898   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    899   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    900   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    901 
    902 Thread 0x0000243c (most recent call first):
    903   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    904   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    905   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    907 
    908 Thread 0x00000914 (most recent call first):
    909   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    910   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    911   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    912   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    913 
    914 Thread 0x00001e5c (most recent call first):
    915   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    916   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    917   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    918   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    919   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    920   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    921   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    922 Windows fatal exception: code 0x8001010e
    923 
    924 Thread 0x000004f8 (most recent call first):
    925   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    927   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    928   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    929 
    930 Thread 0x00004114 (most recent call first):
    931   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    933   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    934   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    935 
    936 Thread 0x00003a54 (most recent call first):
    937   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    938   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    939   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    940   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    941   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    942   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    943   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    944 
    945 Thread 0x0000475c (most recent call first):
    946   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    947   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    948   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    950 
    951 Thread 0x00001e38 (most recent call first):
    952   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    953   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    954   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    956 
    957 Thread 0x00004274 (most recent call first):
    958   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    959   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    960   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    962 
    963 Thread 0x00003a28 (most recent call first):
    964   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    965   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    966   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    967   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    968 
    969 Thread 0x00003138 (most recent call first):
    970   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    971   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    972   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    973   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    974 
    975 Thread 0x00000c54 (most recent call first):
    976   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    977   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    978   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    979   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    980 
    981 Thread 0x0000243c (most recent call first):
    982   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    983   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    984   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    985   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    986 
    987 Thread 0x00000914 (most recent call first):
    988   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    989   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    990   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    991   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    992 
    993 Thread 0x00001e5c (most recent call first):
    994   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    995   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    996   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    997   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    998   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    999   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1000   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1001 Windows fatal exception: code 0x8001010e
    1002 
    1003 Thread 0x000004f8 (most recent call first):
    1004   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1006   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1007   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1008 
    1009 Thread 0x00004114 (most recent call first):
    1010   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1012   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1013   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1014 
    1015 Thread 0x00003a54 (most recent call first):
    1016   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1017   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1018   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1019   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1020   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1021   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1022   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1023 
    1024 Thread 0x0000475c (most recent call first):
    1025   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1026   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1027   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1029 
    1030 Thread 0x00001e38 (most recent call first):
    1031   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1032   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1033   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1035 
    1036 Thread 0x00004274 (most recent call first):
    1037   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1038   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1039   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1041 
    1042 Thread 0x00003a28 (most recent call first):
    1043   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1044   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1045   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1046   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1047 
    1048 Thread 0x00003138 (most recent call first):
    1049   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1050   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1051   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1052   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1053 
    1054 Thread 0x00000c54 (most recent call first):
    1055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1056   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1057   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1058   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1059 
    1060 Thread 0x0000243c (most recent call first):
    1061   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1062   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1063   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1064   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1065 
    1066 Thread 0x00000914 (most recent call first):
    1067   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1068   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1069   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1070   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1071 
    1072 Thread 0x00001e5c (most recent call first):
    1073   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1074   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1075   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1076   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1077   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1079   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1080 Windows fatal exception: code 0x8001010e
    1081 
    1082 Thread 0x000004f8 (most recent call first):
    1083   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1086   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1087 
    1088 Thread 0x00004114 (most recent call first):
    1089   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1093 
    1094 Thread 0x00003a54 (most recent call first):
    1095   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1096   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1097   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1098   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1099   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1100   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1102 
    1103 Thread 0x0000475c (most recent call first):
    1104   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1105   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1108 
    1109 Thread 0x00001e38 (most recent call first):
    1110   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1111   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1114 
    1115 Thread 0x00004274 (most recent call first):
    1116   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1117   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1118   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1120 
    1121 Thread 0x00003a28 (most recent call first):
    1122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1123   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1124   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1125   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1126 
    1127 Thread 0x00003138 (most recent call first):
    1128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1129   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1130   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1131   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1132 
    1133 Thread 0x00000c54 (most recent call first):
    1134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1135   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1136   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1137   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1138 
    1139 Thread 0x0000243c (most recent call first):
    1140   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1141   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1142   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1143   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1144 
    1145 Thread 0x00000914 (most recent call first):
    1146   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1147   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1148   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1149   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1150 
    1151 Thread 0x00001e5c (most recent call first):
    1152   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1153   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1154   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1155   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1156   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1158   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1159 Windows fatal exception: code 0x8001010e
    1160 
    1161 Thread 0x000004f8 (most recent call first):
    1162   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1165   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1166 
    1167 Thread 0x00004114 (most recent call first):
    1168   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1170   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1171   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1172 
    1173 Thread 0x00003a54 (most recent call first):
    1174   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1175   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1176   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1177   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1178   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1179   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1181 
    1182 Thread 0x0000475c (most recent call first):
    1183   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1184   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1185   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1187 
    1188 Thread 0x00001e38 (most recent call first):
    1189   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1190   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1191   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1193 
    1194 Thread 0x00004274 (most recent call first):
    1195   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1196   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1197   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1198   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1199 
    1200 Thread 0x00003a28 (most recent call first):
    1201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1202   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1203   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1204   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1205 
    1206 Thread 0x00003138 (most recent call first):
    1207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1208   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1209   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1210   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1211 
    1212 Thread 0x00000c54 (most recent call first):
    1213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1214   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1215   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1216   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1217 
    1218 Thread 0x0000243c (most recent call first):
    1219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1220   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1221   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1222   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1223 
    1224 Thread 0x00000914 (most recent call first):
    1225   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1226   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1227   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1228   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1229 
    1230 Thread 0x00001e5c (most recent call first):
    1231   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1232   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1233   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1234   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1235   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1238 Windows fatal exception: code 0x8001010e
    1239 
    1240 Thread 0x000004f8 (most recent call first):
    1241   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1243   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1244   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1245 
    1246 Thread 0x00004114 (most recent call first):
    1247   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1249   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1250   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1251 
    1252 Thread 0x00003a54 (most recent call first):
    1253   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1254   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1255   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1256   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1257   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1258   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1259   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1260 
    1261 Thread 0x0000475c (most recent call first):
    1262   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1263   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1264   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1265   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1266 
    1267 Thread 0x00001e38 (most recent call first):
    1268   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1269   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1270   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1271   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1272 
    1273 Thread 0x00004274 (most recent call first):
    1274   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1275   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1276   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1277   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1278 
    1279 Thread 0x00003a28 (most recent call first):
    1280   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1281   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1282   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1283   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1284 
    1285 Thread 0x00003138 (most recent call first):
    1286   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1287   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1288   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1289   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1290 
    1291 Thread 0x00000c54 (most recent call first):
    1292   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1293   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1294   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1295   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1296 
    1297 Thread 0x0000243c (most recent call first):
    1298   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1299   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1300   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1301   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1302 
    1303 Thread 0x00000914 (most recent call first):
    1304   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1305   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1306   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1307   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1308 
    1309 Thread 0x00001e5c (most recent call first):
    1310   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1311   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1312   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1313   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1314   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1315   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1316   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1317 Windows fatal exception: code 0x8001010e
    1318 
    1319 Thread 0x000004f8 (most recent call first):
    1320   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_Windows fatal exception: code 0xre8001010e
    1321 
    1322 suWindows fatal exception: code 0xl8001010et
    1323 
    1324 sWindows fatal exception: code 0x8001010e
    1325 
    1326 Windows fatal exception: code 0x8001010e
    1327   File "C:
    1328 
    1329 Windows fatal exception: code 0x8001010e\P
    1330 
    1331 rWindows fatal exception: ocode 0xg8001010er
    1332 
    1333 aWindows fatal exception: code 0xm 8001010e
    1334 
    1335 FWindows fatal exception: code 0xil8001010eWindows fatal exception: code 0x8001010e
    1336 
    1337 Windows fatal exception: es
    1338 
    1339 Windows fatal exception: code 0x8001010ecode 0x8001010e
    1340 
    1341 Windows fatal exception: code 0x\Chime
    1342 
    1343 8001010e
    1344 
    1345 Windows fatal exception: code 0xWindows fatal exception: raX 1.8001010e
    1346 
    1347 Windows fatal exception: code 0x8001010e
    1348 
    1349 4.dev2code 0x8001010e
    1350 
    1351 Windows fatal exception: code 0x8001010e
    1352 
    1353 0Windows fatal exception: 2code 0x18001010e1
    1354 
    1355 1Windows fatal exception: 1code 0x18001010e1
    1356 
    1357 0Windows fatal exception: code 0x08001010e2
    1358 
    1359 \Windows fatal exception: bcode 0xi8001010en
    1360 
    1361 \Windows fatal exception: lcode 0xi8001010eb
    1362 
    1363 \Windows fatal exception: code 0x8001010e
    1364 
    1365 threading.py", line 910 in run
    1366   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\tWindows fatal exception: code 0x8001010ehread
    1367 
    1368 Windows fatal exception: code 0x8001010e
    1369 
    1370 iWindows fatal exception: ncode 0xg8001010e.
    1371 
    1372 pWindows fatal exception: ycode 0x"8001010e, line
    1373 
    1374 973Windows fatal exception:  in code 0x_8001010eb
    1375 
    1376 oWindows fatal exception: ocode 0xt8001010es
    1377 
    1378 tWindows fatal exception: rcode 0xa8001010ep
    1379 
    1380 _Windows fatal exception: icode 0xn8001010en
    1381 
    1382 eWindows fatal exception: rcode 0x8001010e
    1383   File "
    1384 
    1385 C:Windows fatal exception: code 0x\P8001010e
    1386 
    1387 roWindows fatal exception: gcode 0xr8001010ea
    1388 
    1389 m Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1390 
    1391 Thread 0x00004114 (most recent call first):
    1392   File "CWindows fatal exception: code 0x8001010e
    1393 
    1394 :\Windows fatal exception: code 0xPr8001010e
    1395 
    1396 oWindows fatal exception: gcode 0xr8001010ea
    1397 
    1398 mWindows fatal exception: code 0x 8001010eF
    1399 
    1400 iWindows fatal exception: lcode 0xe8001010es
    1401 
    1402 \Windows fatal exception: Ccode 0xh8001010ei
    1403 
    1404 mWindows fatal exception: code 0xer8001010e
    1405 
    1406 aWindows fatal exception: Xcode 0x 8001010e1
    1407 
    1408 .Windows fatal exception: 4code 0x.8001010ed
    1409 
    1410 eWindows fatal exception: vcode 0x28001010e0
    1411 
    1412 2Windows fatal exception: 1code 0x18001010e1
    1413 
    1414 111002\bin\lib\multiprocessing\pWindows fatal exception: code 0xoo8001010e
    1415 
    1416 l.Windows fatal exception: code 0xp8001010ey
    1417 
    1418 "Windows fatal exception: , line code 0x5288001010e in
    1419 
    1420 _Windows fatal exception: hcode 0xa8001010en
    1421 
    1422 dWindows fatal exception: lcode 0xe8001010e_
    1423 
    1424 tWindows fatal exception: code 0xa8001010es
    1425 
    1426 kWindows fatal exception: scode 0x
    1427 8001010e  File
    1428 
    1429 "Windows fatal exception: Ccode 0x:8001010e\
    1430 
    1431 PWindows fatal exception: rcode 0xo8001010eg
    1432 
    1433 rWindows fatal exception: acode 0xm8001010e
    1434 
    1435 FWindows fatal exception: icode 0xl8001010ee
    1436 
    1437 s\ChimeraX 1.4.dev202111111002\bin\lib\Windows fatal exception: code 0xth8001010e
    1438 
    1439 reWindows fatal exception: code 0xad8001010e
    1440 
    1441 inWindows fatal exception: code 0xg.8001010e
    1442 
    1443 pWindows fatal exception: code 0xy"8001010e
    1444 
    1445 , line Windows fatal exception: code 0x9108001010e in
    1446 
    1447 rWindows fatal exception: ucode 0xn8001010e
    1448 
    1449 
    1450   File Windows fatal exception: code 0x"C8001010e
    1451 
    1452 :Windows fatal exception: code 0x\P8001010e
    1453 
    1454 rWindows fatal exception: Windows fatal exception: code 0x8001010e
    1455 
    1456 oWindows fatal exception: code 0x8001010egracode 0x8001010e
    1457 
    1458 m
    1459 
    1460 Windows fatal exception: code 0xWindows fatal exception: code 0xFi8001010e
    1461 
    1462 8001010e
    1463 
    1464 lWindows fatal exception: ecode 0xWindows fatal exception: code 0xs\8001010e
    1465 
    1466 8001010e
    1467 
    1468 CWindows fatal exception: code 0xhi8001010e
    1469 
    1470 mWindows fatal exception: code 0xer8001010e
    1471 
    1472 aWindows fatal exception: code 0xX 8001010e
    1473 
    1474 1Windows fatal exception: code 0x.48001010e
    1475 
    1476 .Windows fatal exception: code 0x8001010e
    1477 
    1478 dWindows fatal exception: code 0x8001010eev
    1479 
    1480 Windows fatal exception: code 0x8001010e
    1481 
    1482 202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1483   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1484 
    1485 Thread 0x00003a54 (most recent call first):
    1486   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1487   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1488   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1489   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1490   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1491   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1492   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1493 
    1494 Thread 0x0000475c (most recent call first):
    1495   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1496   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1497   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1498   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1499 
    1500 Thread 0x00001e38 (most recent call first):
    1501   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1502   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1503   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1504   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1505 
    1506 Thread 0x00004274 (most recent call first):
    1507   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1508   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1509   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1510   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1511 
    1512 Thread 0x00003a28 (most recent call first):
    1513   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1514   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1515   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1516   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1517 
    1518 Thread 0x00003138 (most recent call first):
    1519   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1520   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1521   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1522   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1523 
    1524 Thread 0x00000c54 (most recent call first):
    1525   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1526   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1527   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1528   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1529 
    1530 Thread 0x0000243c (most recent call first):
    1531   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1532   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1533   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1534   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1535 
    1536 Thread 0x00000914 (most recent call first):
    1537   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1538   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1539   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1540   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1541 
    1542 Thread 0x00001e5c (most recent call first):
    1543   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1544   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1545   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1546   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1547   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1548   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1549   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1550 Windows fatal exception: code 0x8001010e
    1551 
    1552 Thread 0x000004f8 (most recent call first):
    1553   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1554   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1555   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1556   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1557 
    1558 Thread 0x00004114 (most recent call first):
    1559   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1560   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1561   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1562   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1563 
    1564 Thread 0x00003a54 (most recent call first):
    1565   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1566   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1567   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1568   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1569   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1570   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1571   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1572 
    1573 Thread 0x0000475c (most recent call first):
    1574   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1575   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1576   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1577   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1578 
    1579 Thread 0x00001e38 (most recent call first):
    1580   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1581   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1582   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1583   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1584 
    1585 Thread 0x00004274 (most recent call first):
    1586   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1587   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1588   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1589   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1590 
    1591 Thread 0x00003a28 (most recent call first):
    1592   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1593   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1594   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1595   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1596 
    1597 Thread 0x00003138 (most recent call first):
    1598   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1599   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1600   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1601   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1602 
    1603 Thread 0x00000c54 (most recent call first):
    1604   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1605   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1606   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1607   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1608 
    1609 Thread 0x0000243c (most recent call first):
    1610   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1611   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1612   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1613   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1614 
    1615 Thread 0x00000914 (most recent call first):
    1616   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1617   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1618   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1619   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1620 
    1621 Thread 0x00001e5c (most recent call first):
    1622   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1623   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1624   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1625   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1626   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1627   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1628   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1629 Windows fatal exception: code 0x8001010e
    1630 
    1631 Thread 0x000004f8 (most recent call first):
    1632   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1633   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1634   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1635   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1636 
    1637 Thread 0x00004114 (most recent call first):
    1638   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1639   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1640   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1641   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1642 
    1643 Thread 0x00003a54 (most recent call first):
    1644   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1645   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1646   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1647   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1648   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1649   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1650   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1651 
    1652 Thread 0x0000475c (most recent call first):
    1653   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1654   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1655   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1656   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1657 
    1658 Thread 0x00001e38 (most recent call first):
    1659   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1660   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1661   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1662   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1663 
    1664 Thread 0x00004274 (most recent call first):
    1665   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1666   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1667   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1668   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1669 
    1670 Thread 0x00003a28 (most recent call first):
    1671   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1672   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1673   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1674   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1675 
    1676 Thread 0x00003138 (most recent call first):
    1677   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1678   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1679   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1680   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1681 
    1682 Thread 0x00000c54 (most recent call first):
    1683   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1684   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1685   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1686   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1687 
    1688 Thread 0x0000243c (most recent call first):
    1689   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1690   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1691   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1692   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1693 
    1694 Thread 0x00000914 (most recent call first):
    1695   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1696   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1697   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1698   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1699 
    1700 Thread 0x00001e5c (most recent call first):
    1701   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1702   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1703   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1704   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1705   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1706   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1707   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1708 Windows fatal exception: code 0x8001010e
    1709 
    1710 Thread 0x000004f8 (most recent call first):
    1711   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1712   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1713   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1714   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1715 
    1716 Thread 0x00004114 (most recent call first):
    1717   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1718   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1719   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1720   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1721 
    1722 Thread 0x00003a54 (most recent call first):
    1723   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1724   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1725   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1726   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1727   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1728   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1729   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1730 
    1731 Thread 0x0000475c (most recent call first):
    1732   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1733   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1734   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1735   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1736 
    1737 Thread 0x00001e38 (most recent call first):
    1738   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1739   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1740   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1741   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1742 
    1743 Thread 0x00004274 (most recent call first):
    1744   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1745   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1746   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1747   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1748 
    1749 Thread 0x00003a28 (most recent call first):
    1750   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1751   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1752   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1753   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1754 
    1755 Thread 0x00003138 (most recent call first):
    1756   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1757   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1758   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1759   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1760 
    1761 Thread 0x00000c54 (most recent call first):
    1762   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1763   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1764   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1765   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1766 
    1767 Thread 0x0000243c (most recent call first):
    1768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1769   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1770   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1771   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1772 
    1773 Thread 0x00000914 (most recent call first):
    1774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1775   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1776   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1777   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1778 
    1779 Thread 0x00001e5c (most recent call first):
    1780   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1781   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1782   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1783   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1784   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1785   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1786   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1787 Windows fatal exception: code 0x8001010e
    1788 
    1789 Thread 0x000004f8 (most recent call first):
    1790   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1792   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1793   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1794 
    1795 Thread 0x00004114 (most recent call first):
    1796   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1798   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1799   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1800 
    1801 Thread 0x00003a54 (most recent call first):
    1802   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1805   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1806   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1807   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1808   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1809 
    1810 Thread 0x0000475c (most recent call first):
    1811   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1812   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1813   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1814   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1815 
    1816 Thread 0x00001e38 (most recent call first):
    1817   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1818   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1819   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1820   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1821 
    1822 Thread 0x00004274 (most recent call first):
    1823   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1824   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1825   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1826   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1827 
    1828 Thread 0x00003a28 (most recent call first):
    1829   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1830   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1831   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1832   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1833 
    1834 Thread 0x00003138 (most recent call first):
    1835   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1836   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1837   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1838   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1839 
    1840 Thread 0x00000c54 (most recent call first):
    1841   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1842   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1843   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1844   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1845 
    1846 Thread 0x0000243c (most recent call first):
    1847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1848   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1849   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1850   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1851 
    1852 Thread 0x00000914 (most recent call first):
    1853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1854   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1855   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1856   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1857 
    1858 Thread 0x00001e5c (most recent call first):
    1859   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1860   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1861   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1862   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1863   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1864   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1865   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1866 Windows fatal exception: code 0x8001010e
    1867 
    1868 Thread 0x000004f8 (most recent call first):
    1869   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1871   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1872   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1873 
    1874 Thread 0x00004114 (most recent call first):
    1875   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1877   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1878   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1879 
    1880 Thread 0x00003a54 (most recent call first):
    1881   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1883   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1884   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1885   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1886   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1887   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1888 
    1889 Thread 0x0000475c (most recent call first):
    1890   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1891   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1892   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1893   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1894 
    1895 Thread 0x00001e38 (most recent call first):
    1896   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1897   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1898   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1899   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1900 
    1901 Thread 0x00004274 (most recent call first):
    1902   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1903   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1904   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1905   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1906 
    1907 Thread 0x00003a28 (most recent call first):
    1908   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1909   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1910   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1911   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1912 
    1913 Thread 0x00003138 (most recent call first):
    1914   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1915   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1916   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1917   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1918 
    1919 Thread 0x00000c54 (most recent call first):
    1920   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1921   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1922   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1923   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1924 
    1925 Thread 0x0000243c (most recent call first):
    1926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1927   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1928   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1929   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1930 
    1931 Thread 0x00000914 (most recent call first):
    1932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1933   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1934   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1935   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1936 
    1937 Thread 0x00001e5c (most recent call first):
    1938   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1939   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    1940   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    1941   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1942   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1943   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    1944   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    1945 Windows fatal exception: code 0x8001010e
    1946 
    1947 Thread 0x000004f8 (most recent call first):
    1948   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1950   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1951   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1952 
    1953 Thread 0x00004114 (most recent call first):
    1954   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1957   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1958 
    1959 Thread 0x00003a54 (most recent call first):
    1960   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    1962   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1963   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1964   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1965   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1966   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1967 
    1968 Thread 0x0000475c (most recent call first):
    1969   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1970   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1971   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1972   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1973 
    1974 Thread 0x00001e38 (most recent call first):
    1975   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1976   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1977   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1978   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1979 
    1980 Thread 0x00004274 (most recent call first):
    1981   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1982   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1983   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1984   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1985 
    1986 Thread 0x00003a28 (most recent call first):
    1987   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1988   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1989   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1990   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1991 
    1992 Thread 0x00003138 (most recent call first):
    1993   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    1994   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    1995   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    1996   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    1997 
    1998 Thread 0x00000c54 (most recent call first):
    1999   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2000   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2001   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2002   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2003 
    2004 Thread 0x0000243c (most recent call first):
    2005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2006   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2007   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2008   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2009 
    2010 Thread 0x00000914 (most recent call first):
    2011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2012   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2013   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2014   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2015 
    2016 Thread 0x00001e5c (most recent call first):
    2017   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2018   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2019   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2020   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2021   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2022   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2023   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2024 Windows fatal exception: code 0x8001010e
    2025 
    2026 Thread 0x000004f8 (most recent call first):
    2027   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2029   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2030   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2031 
    2032 Thread 0x00004114 (most recent call first):
    2033   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2035   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2036   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2037 
    2038 Thread 0x00003a54 (most recent call first):
    2039   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2041   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2042   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2043   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2044   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2045   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2046 
    2047 Thread 0x0000475c (most recent call first):
    2048   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2049   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2050   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2051   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2052 
    2053 Thread 0x00001e38 (most recent call first):
    2054   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2056   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2057   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2058 
    2059 Thread 0x00004274 (most recent call first):
    2060   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2061   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2062   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2063   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2064 
    2065 Thread 0x00003a28 (most recent call first):
    2066   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2067   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2068   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2069   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2070 
    2071 Thread 0x00003138 (most recent call first):
    2072   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2073   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2074   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2075   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2076 
    2077 Thread 0x00000c54 (most recent call first):
    2078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2079   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2080   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2081   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2082 
    2083 Thread 0x0000243c (most recent call first):
    2084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2086   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2087   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2088 
    2089 Thread 0x00000914 (most recent call first):
    2090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2093   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2094 
    2095 Thread 0x00001e5c (most recent call first):
    2096   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2097   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2098   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2099   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2100   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2102   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2103 Windows fatal exception: code 0x8001010e
    2104 
    2105 Thread 0x000004f8 (most recent call first):
    2106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2108   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2109   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2110 
    2111 Thread 0x00004114 (most recent call first):
    2112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2115   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2116 
    2117 Thread 0x00003a54 (most recent call first):
    2118   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2120   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2121   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2123   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2124   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2125 
    2126 Thread 0x0000475c (most recent call first):
    2127   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2129   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2130   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2131 
    2132 Thread 0x00001e38 (most recent call first):
    2133   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2135   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2136   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2137 
    2138 Thread 0x00004274 (most recent call first):
    2139   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2140   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2141   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2142   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2143 
    2144 Thread 0x00003a28 (most recent call first):
    2145   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2146   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2147   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2148   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2149 
    2150 Thread 0x00003138 (most recent call first):
    2151   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2152   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2153   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2154   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2155 
    2156 Thread 0x00000c54 (most recent call first):
    2157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2158   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2159   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2160   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2161 
    2162 Thread 0x0000243c (most recent call first):
    2163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2165   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2166   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2167 
    2168 Thread 0x00000914 (most recent call first):
    2169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2170   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2171   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2172   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2173 
    2174 Thread 0x00001e5c (most recent call first):
    2175   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2176   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2177   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2178   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2179   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2181   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2182 Windows fatal exception: code 0x8001010e
    2183 
    2184 Thread 0x000004f8 (most recent call first):
    2185   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2187   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2188   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2189 
    2190 Thread 0x00004114 (most recent call first):
    2191   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2193   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2194   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2195 
    2196 Thread 0x00003a54 (most recent call first):
    2197   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2198   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2199   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2200   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2202   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2203   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2204 
    2205 Thread 0x0000475c (most recent call first):
    2206   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2208   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2209   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2210 
    2211 Thread 0x00001e38 (most recent call first):
    2212   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2214   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2215   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2216 
    2217 Thread 0x00004274 (most recent call first):
    2218   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2220   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2221   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2222 
    2223 Thread 0x00003a28 (most recent call first):
    2224   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2225   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2226   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2227   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2228 
    2229 Thread 0x00003138 (most recent call first):
    2230   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2231   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2232   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2233   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2234 
    2235 Thread 0x00000c54 (most recent call first):
    2236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2238   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2239   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2240 
    2241 Thread 0x0000243c (most recent call first):
    2242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2243   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2244   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2245   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2246 
    2247 Thread 0x00000914 (most recent call first):
    2248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2249   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2250   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2251   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2252 
    2253 Thread 0x00001e5c (most recent call first):
    2254   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2255   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2256   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2257   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2258   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2259   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2260   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2261 Windows fatal exception: code 0x8001010e
    2262 
    2263 Thread 0x000004f8 (most recent call first):
    2264   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2265   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2266   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2267   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2268 
    2269 Thread 0x00004114 (most recent call first):
    2270   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2271   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2272   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2273   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2274 
    2275 Thread 0x00003a54 (most recent call first):
    2276   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2277   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2278   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2279   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2280   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2281   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2282   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2283 
    2284 Thread 0x0000475c (most recent call first):
    2285   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2286   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2287   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2288   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2289 
    2290 Thread 0x00001e38 (most recent call first):
    2291   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2292   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2293   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2294   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2295 
    2296 Thread 0x00004274 (most recent call first):
    2297   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2298   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2299   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2300   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2301 
    2302 Thread 0x00003a28 (most recent call first):
    2303   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2304   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2305   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2306   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2307 
    2308 Thread 0x00003138 (most recent call first):
    2309   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2310   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2311   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2312   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2313 
    2314 Thread 0x00000c54 (most recent call first):
    2315   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2316   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2317   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2318   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2319 
    2320 Thread 0x0000243c (most recent call first):
    2321   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2322   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2323   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2324   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2325 
    2326 Thread 0x00000914 (most recent call first):
    2327   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2328   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2329   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2330   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2331 
    2332 Thread 0x00001e5c (most recent call first):
    2333   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2334   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2335   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2336   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2337   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2338   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2339   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2340 Windows fatal exception: code 0x8001010e
    2341 
    2342 Thread 0x000004f8 (most recent call first):
    2343   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2344   File "C:\Program Files\ChimeraXWindows fatal exception: code 0x8001010e
    2345 
    2346  1Windows fatal exception: code 0x.48001010e
    2347 
    2348 .dWindows fatal exception: code 0xev8001010e
    2349 
    2350 20Windows fatal exception: code 0x218001010e
    2351 
    2352 11Windows fatal exception: code 0x8001010e
    2353 
    2354 1Windows fatal exception: code 0x118001010e
    2355 
    2356 0Windows fatal exception: code 0x028001010e
    2357 
    2358 \Windows fatal exception: code 0x8001010eb
    2359 
    2360 iWindows fatal exception: code 0x8001010en\
    2361 
    2362 lWindows fatal exception: code 0xib8001010e
    2363 
    2364 \Windows fatal exception: code 0xth8001010e
    2365 
    2366 reading.py", line 910 in run
    2367   File "C:\ProgramWindows fatal exception: code 0x8001010e
    2368 
    2369  Windows fatal exception: code 0xFi8001010e
    2370 
    2371 lWindows fatal exception: code 0xes\C8001010e
    2372 
    2373 himWindows fatal exception: code 0xer8001010e
    2374 
    2375 aWindows fatal exception: code 0xX 1.8001010e
    2376 
    2377 4.Windows fatal exception: code 0xde8001010e
    2378 
    2379 v20Windows fatal exception: 21code 0x8001010e1111
    2380 
    2381 Windows fatal exception: 10code 0x8001010e02
    2382 
    2383 \bWindows fatal exception: code 0xin8001010e
    2384 
    2385 \lWindows fatal exception: code 0x8001010e
    2386 
    2387 iWindows fatal exception: code 0xb\8001010e
    2388 
    2389 threading.py", line 973 in _bootstrap_inner
    2390   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2391 
    2392 Thread 0x00004114 (most recent call first):
    2393   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2394   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2395   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2396   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2397 
    2398 Thread 0x00003a54 (most recent call first):
    2399   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2400   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2401   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2402   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2403   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2404   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2405   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2406 
    2407 Thread 0x0000475c (most recent call first):
    2408   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2409   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2410   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2411   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2412 
    2413 Thread 0x00001e38 (most recent call first):
    2414   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2415   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2416   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2417   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2418 
    2419 Thread 0x00004274 (most recent call first):
    2420   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2421   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2422   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2423   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2424 
    2425 Thread 0x00003a28 (most recent call first):
    2426   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2427   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2428   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2429   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2430 
    2431 Thread 0x00003138 (most recent call first):
    2432   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2433   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2434   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2435   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2436 
    2437 Thread 0x00000c54 (most recent call first):
    2438   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2439   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2440   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2441   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2442 
    2443 Thread 0x0000243c (most recent call first):
    2444   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2445   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2446   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2447   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2448 
    2449 Thread 0x00000914 (most recent call first):
    2450   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2451   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2452   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2453   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2454 
    2455 Thread 0x00001e5c (most recent call first):
    2456   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2457   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2458   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2459   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2460   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2461   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2462   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2463 Windows fatal exception: code 0x8001010e
    2464 
    2465 Thread 0x000004f8 (most recent call first):
    2466   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2467   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2468   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2469   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2470 
    2471 Thread 0x00004114 (most recent call first):
    2472   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2473   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2474   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2475   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2476 
    2477 Thread 0x00003a54 (most recent call first):
    2478   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2479   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2480   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2481   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2482   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2483   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2484   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2485 
    2486 Thread 0x0000475c (most recent call first):
    2487   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2488   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2489   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2490   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2491 
    2492 Thread 0x00001e38 (most recent call first):
    2493   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2494   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2495   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2496   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2497 
    2498 Thread 0x00004274 (most recent call first):
    2499   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2500   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2501   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2502   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2503 
    2504 Thread 0x00003a28 (most recent call first):
    2505   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2506   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2507   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2508   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2509 
    2510 Thread 0x00003138 (most recent call first):
    2511   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2512   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2513   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2514   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2515 
    2516 Thread 0x00000c54 (most recent call first):
    2517   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2518   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2519   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2520   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2521 
    2522 Thread 0x0000243c (most recent call first):
    2523   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2524   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2525   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2526   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2527 
    2528 Thread 0x00000914 (most recent call first):
    2529   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2530   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2531   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2532   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2533 
    2534 Thread 0x00001e5c (most recent call first):
    2535   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2536   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2537   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2538   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2539   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2540   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2541   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2542 Windows fatal exception: code 0x8001010e
    2543 
    2544 Thread 0x000004f8 (most recent call first):
    2545   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2546   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2547   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2548   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2549 
    2550 Thread 0x00004114 (most recent call first):
    2551   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2552   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2553   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2554   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2555 
    2556 Thread 0x00003a54 (most recent call first):
    2557   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2558   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2559   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2560   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2561   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2562   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2563   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2564 
    2565 Thread 0x0000475c (most recent call first):
    2566   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2567   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2568   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2569   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2570 
    2571 Thread 0x00001e38 (most recent call first):
    2572   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2573   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2574   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2575   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2576 
    2577 Thread 0x00004274 (most recent call first):
    2578   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2579   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2580   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2581   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2582 
    2583 Thread 0x00003a28 (most recent call first):
    2584   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2585   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2586   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2587   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2588 
    2589 Thread 0x00003138 (most recent call first):
    2590   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2591   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2592   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2593   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2594 
    2595 Thread 0x00000c54 (most recent call first):
    2596   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2597   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2598   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2599   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2600 
    2601 Thread 0x0000243c (most recent call first):
    2602   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2603   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2604   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2605   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2606 
    2607 Thread 0x00000914 (most recent call first):
    2608   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2609   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2610   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2611   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2612 
    2613 Thread 0x00001e5c (most recent call first):
    2614   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2615   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2616   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2617   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2618   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2619   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2620   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2621 Windows fatal exception: code 0x8001010e
    2622 
    2623 Thread 0x000004f8 (most recent call first):
    2624   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2625   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2626   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2627   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2628 
    2629 Thread 0x00004114 (most recent call first):
    2630   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2631   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2632   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2633   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2634 
    2635 Thread 0x00003a54 (most recent call first):
    2636   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2637   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2638   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2639   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2640   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2641   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2642   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2643 
    2644 Thread 0x0000475c (most recent call first):
    2645   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2646   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2647   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2648   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2649 
    2650 Thread 0x00001e38 (most recent call first):
    2651   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2652   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2653   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2654   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2655 
    2656 Thread 0x00004274 (most recent call first):
    2657   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2658   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2659   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2660   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2661 
    2662 Thread 0x00003a28 (most recent call first):
    2663   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2664   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2665   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2666   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2667 
    2668 Thread 0x00003138 (most recent call first):
    2669   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2670   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2671   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2672   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2673 
    2674 Thread 0x00000c54 (most recent call first):
    2675   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2676   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2677   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2678   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2679 
    2680 Thread 0x0000243c (most recent call first):
    2681   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2682   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2683   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2684   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2685 
    2686 Thread 0x00000914 (most recent call first):
    2687   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2688   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2689   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2690   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2691 
    2692 Thread 0x00001e5c (most recent call first):
    2693   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2694   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2695   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2696   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2697   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2698   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2699   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2700 Windows fatal exception: code 0x8001010e
    2701 
    2702 Thread 0x000004f8 (most recent call first):
    2703   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2704   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2705   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2706   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2707 
    2708 Thread 0x00004114 (most recent call first):
    2709   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2710   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2711   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2712   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2713 
    2714 Thread 0x00003a54 (most recent call first):
    2715   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2716   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2717   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2718   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2719   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2720   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2721   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2722 
    2723 Thread 0x0000475c (most recent call first):
    2724   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2725   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2726   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2727   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2728 
    2729 Thread 0x00001e38 (most recent call first):
    2730   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2731   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2732   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2733   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2734 
    2735 Thread 0x00004274 (most recent call first):
    2736   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2737   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2738   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2739   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2740 
    2741 Thread 0x00003a28 (most recent call first):
    2742   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2743   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2744   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2745   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2746 
    2747 Thread 0x00003138 (most recent call first):
    2748   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2749   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2750   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2751   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2752 
    2753 Thread 0x00000c54 (most recent call first):
    2754   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2755   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2756   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2757   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2758 
    2759 Thread 0x0000243c (most recent call first):
    2760   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2761   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2762   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2763   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2764 
    2765 Thread 0x00000914 (most recent call first):
    2766   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2767   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2769   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2770 
    2771 Thread 0x00001e5c (most recent call first):
    2772   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2773   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2775   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2776   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2777   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2778   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2779 Windows fatal exception: code 0x8001010e
    2780 
    2781 Thread 0x000004f8 (most recent call first):
    2782   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2783   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2784   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2785   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2786 
    2787 Thread 0x00004114 (most recent call first):
    2788   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2789   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2790   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2792 
    2793 Thread 0x00003a54 (most recent call first):
    2794   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2795   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2796   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2798   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2799   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2800   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2801 
    2802 Thread 0x0000475c (most recent call first):
    2803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2805   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2806   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2807 
    2808 Thread 0x00001e38 (most recent call first):
    2809   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2810   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2811   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2812   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2813 
    2814 Thread 0x00004274 (most recent call first):
    2815   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2816   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2817   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2818   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2819 
    2820 Thread 0x00003a28 (most recent call first):
    2821   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2822   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2823   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2824   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2825 
    2826 Thread 0x00003138 (most recent call first):
    2827   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2828   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2829   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2830   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2831 
    2832 Thread 0x00000c54 (most recent call first):
    2833   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2834   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2835   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2836   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2837 
    2838 Thread 0x0000243c (most recent call first):
    2839   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2840   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2841   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2842   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2843 
    2844 Thread 0x00000914 (most recent call first):
    2845   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2846   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2848   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2849 
    2850 Thread 0x00001e5c (most recent call first):
    2851   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2852   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2854   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2855   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2856   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2857   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2858 Windows fatal exception: code 0x8001010e
    2859 
    2860 Thread 0x000004f8 (most recent call first):
    2861   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2862   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2863   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2864   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2865 
    2866 Thread 0x00004114 (most recent call first):
    2867   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2868   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2869   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2871 
    2872 Thread 0x00003a54 (most recent call first):
    2873   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2874   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2875   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2877   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2878   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2879   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2880 
    2881 Thread 0x0000475c (most recent call first):
    2882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2883   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2884   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2885   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2886 
    2887 Thread 0x00001e38 (most recent call first):
    2888   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2889   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2890   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2891   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2892 
    2893 Thread 0x00004274 (most recent call first):
    2894   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2895   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2896   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2897   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2898 
    2899 Thread 0x00003a28 (most recent call first):
    2900   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2901   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2902   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2903   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2904 
    2905 Thread 0x00003138 (most recent call first):
    2906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2907   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2908   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2909   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2910 
    2911 Thread 0x00000c54 (most recent call first):
    2912   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2913   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2914   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2915   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2916 
    2917 Thread 0x0000243c (most recent call first):
    2918   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2919   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2920   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2921   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2922 
    2923 Thread 0x00000914 (most recent call first):
    2924   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2925   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2927   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2928 
    2929 Thread 0x00001e5c (most recent call first):
    2930   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2931   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    2932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    2933   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2934   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2935   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    2936   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    2937 Windows fatal exception: code 0x8001010e
    2938 
    2939 Thread 0x000004f8 (most recent call first):
    2940   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2941   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2942   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2943   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2944 
    2945 Thread 0x00004114 (most recent call first):
    2946   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2947   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2948   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2950 
    2951 Thread 0x00003a54 (most recent call first):
    2952   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2953   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    2954   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2957   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2958   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2959 
    2960 Thread 0x0000475c (most recent call first):
    2961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2962   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2963   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2964   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2965 
    2966 Thread 0x00001e38 (most recent call first):
    2967   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2968   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2969   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2970   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2971 
    2972 Thread 0x00004274 (most recent call first):
    2973   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2974   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2975   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2976   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2977 
    2978 Thread 0x00003a28 (most recent call first):
    2979   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2980   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2981   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2982   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2983 
    2984 Thread 0x00003138 (most recent call first):
    2985   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2986   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2987   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2988   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2989 
    2990 Thread 0x00000c54 (most recent call first):
    2991   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2992   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2993   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    2994   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    2995 
    2996 Thread 0x0000243c (most recent call first):
    2997   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    2998   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    2999   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3000   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3001 
    3002 Thread 0x00000914 (most recent call first):
    3003   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3004   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3006   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3007 
    3008 Thread 0x00001e5c (most recent call first):
    3009   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3010   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3012   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3013   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3014   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3015   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3016 Windows fatal exception: code 0x8001010e
    3017 
    3018 Thread 0x000004f8 (most recent call first):
    3019   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3020   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3021   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3022   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3023 
    3024 Thread 0x00004114 (most recent call first):
    3025   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3026   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3027   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3029 
    3030 Thread 0x00003a54 (most recent call first):
    3031   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3032   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3033   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3035   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3036   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3037   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3038 
    3039 Thread 0x0000475c (most recent call first):
    3040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3041   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3042   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3043   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3044 
    3045 Thread 0x00001e38 (most recent call first):
    3046   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3047   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3048   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3049   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3050 
    3051 Thread 0x00004274 (most recent call first):
    3052   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3053   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3054   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3056 
    3057 Thread 0x00003a28 (most recent call first):
    3058   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3059   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3060   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3061   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3062 
    3063 Thread 0x00003138 (most recent call first):
    3064   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3065   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3066   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3067   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3068 
    3069 Thread 0x00000c54 (most recent call first):
    3070   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3071   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3072   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3073   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3074 
    3075 Thread 0x0000243c (most recent call first):
    3076   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3077   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3079   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3080 
    3081 Thread 0x00000914 (most recent call first):
    3082   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3083   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3086 
    3087 Thread 0x00001e5c (most recent call first):
    3088   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3089   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3093   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3094   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3095 Windows fatal exception: code 0x8001010e
    3096 
    3097 Thread 0x000004f8 (most recent call first):
    3098   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3099   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3100   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3102 
    3103 Thread 0x00004114 (most recent call first):
    3104   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3105   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3108 
    3109 Thread 0x00003a54 (most recent call first):
    3110   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3111   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3115   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3116   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3117 
    3118 Thread 0x0000475c (most recent call first):
    3119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3120   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3121   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3123 
    3124 Thread 0x00001e38 (most recent call first):
    3125   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3126   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3127   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3129 
    3130 Thread 0x00004274 (most recent call first):
    3131   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3132   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3133   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3135 
    3136 Thread 0x00003a28 (most recent call first):
    3137   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3138   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3139   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3140   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3141 
    3142 Thread 0x00003138 (most recent call first):
    3143   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3144   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3145   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3146   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3147 
    3148 Thread 0x00000c54 (most recent call first):
    3149   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3150   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3151   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3152   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3153 
    3154 Thread 0x0000243c (most recent call first):
    3155   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3156   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3158   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3159 
    3160 Thread 0x00000914 (most recent call first):
    3161   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3162   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3165 
    3166 Thread 0x00001e5c (most recent call first):
    3167   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3168   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3170   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3171   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3172   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3173   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3174 Windows fatal exception: code 0x8001010e
    3175 
    3176 Thread 0x000004f8 (most recent call first):
    3177   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3178   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3179   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3181 
    3182 Thread 0x00004114 (most recent call first):
    3183   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3184   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3185   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3187 
    3188 Thread 0x00003a54 (most recent call first):
    3189   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3190   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3191   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3193   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3194   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3195   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3196 
    3197 Thread 0x0000475c (most recent call first):
    3198   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3199   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3200   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3202 
    3203 Thread 0x00001e38 (most recent call first):
    3204   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3205   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3206   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3208 
    3209 Thread 0x00004274 (most recent call first):
    3210   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3211   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3212   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3214 
    3215 Thread 0x00003a28 (most recent call first):
    3216   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3217   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3218   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3220 
    3221 Thread 0x00003138 (most recent call first):
    3222   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3223   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3224   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3225   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3226 
    3227 Thread 0x00000c54 (most recent call first):
    3228   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3229   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3230   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3231   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3232 
    3233 Thread 0x0000243c (most recent call first):
    3234   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3235   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3238 
    3239 Thread 0x00000914 (most recent call first):
    3240   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3241   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3243   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3244 
    3245 Thread 0x00001e5c (most recent call first):
    3246   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3247   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3249   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3250   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3251   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3252   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3253 Windows fatal exception: code 0x8001010e
    3254 
    3255 Thread 0x000004f8 (most recent call first):
    3256   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3257   File "C:\Program Files\ChimeraX 1.4.dev20211Windows fatal exception: code 0x8001010e
    3258 
    3259 Windows fatal exception: code 0x8001010e
    3260 
    3261 Windows fatal exception: code 0x8001010e
    3262 
    3263 1Windows fatal exception: code 0x8001010e111002\b
    3264 
    3265 Windows fatal exception: code 0x8001010e
    3266 
    3267 Windows fatal exception: code 0x8001010e
    3268 
    3269 iWindows fatal exception: code 0x8001010e
    3270 
    3271 Windows fatal exception: code 0x8001010e
    3272 
    3273 Windows fatal exception: code 0x8001010e
    3274 
    3275 Windows fatal exception: Windows fatal exception: code 0x8001010e
    3276 
    3277 code 0xWindows fatal exception: n\8001010e
    3278 
    3279 code 0xWindows fatal exception: code 0x8001010e
    3280 
    3281 lib\thread8001010e
    3282 
    3283 Windows fatal exception: code 0xin8001010e
    3284 
    3285 Windows fatal exception: code 0xg.py", line 9108001010e
    3286 
    3287  in rWindows fatal exception: code 0xun8001010e
    3288 
    3289 
    3290 Windows fatal exception:   File code 0x"8001010eC
    3291 
    3292 :\Windows fatal exception: Pcode 0x8001010ero
    3293 
    3294 gWindows fatal exception: code 0xr8001010ea
    3295 
    3296 mWindows fatal exception:  code 0xF8001010ei
    3297 
    3298 lWindows fatal exception: code 0xes\Ch8001010e
    3299 
    3300 imWindows fatal exception: code 0xer8001010e
    3301 
    3302 aX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3303   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3304 
    3305 Thread 0x00004114 (most recent call first):
    3306   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3307   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3308   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3309   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3310 
    3311 Thread 0x00003a54 (most recent call first):
    3312   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3313   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3314   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3315   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3316   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3317   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3318   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3319 
    3320 Thread 0x0000475c (most recent call first):
    3321   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3322   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3323   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3324   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3325 
    3326 Thread 0x00001e38 (most recent call first):
    3327   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3328   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3329   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3330   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3331 
    3332 Thread 0x00004274 (most recent call first):
    3333   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3334   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3335   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3336   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3337 
    3338 Thread 0x00003a28 (most recent call first):
    3339   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3340   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3341   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3342   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3343 
    3344 Thread 0x00003138 (most recent call first):
    3345   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3346   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3347   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3348   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3349 
    3350 Thread 0x00000c54 (most recent call first):
    3351   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3352   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3353   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3354   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3355 
    3356 Thread 0x0000243c (most recent call first):
    3357   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3358   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3359   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3360   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3361 
    3362 Thread 0x00000914 (most recent call first):
    3363   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3364   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3365   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3366   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3367 
    3368 Thread 0x00001e5c (most recent call first):
    3369   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3370   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3371   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3372   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3373   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3374   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3375   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3376 Windows fatal exception: code 0x8001010e
    3377 
    3378 Thread 0x000004f8 (most recent call first):
    3379   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3380   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3381   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3382   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3383 
    3384 Thread 0x00004114 (most recent call first):
    3385   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3386   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3387   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3388   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3389 
    3390 Thread 0x00003a54 (most recent call first):
    3391   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3392   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3393   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3394   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3395   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3396   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3397   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3398 
    3399 Thread 0x0000475c (most recent call first):
    3400   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3401   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3402   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3403   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3404 
    3405 Thread 0x00001e38 (most recent call first):
    3406   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3407   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3408   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3409   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3410 
    3411 Thread 0x00004274 (most recent call first):
    3412   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3413   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3414   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3415   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3416 
    3417 Thread 0x00003a28 (most recent call first):
    3418   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3419   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3420   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3421   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3422 
    3423 Thread 0x00003138 (most recent call first):
    3424   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3425   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3426   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3427   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3428 
    3429 Thread 0x00000c54 (most recent call first):
    3430   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3431   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3432   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3433   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3434 
    3435 Thread 0x0000243c (most recent call first):
    3436   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3437   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3438   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3439   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3440 
    3441 Thread 0x00000914 (most recent call first):
    3442   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3443   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3444   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3445   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3446 
    3447 Thread 0x00001e5c (most recent call first):
    3448   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3449   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3450   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3451   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3452   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3453   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3454   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3455 Windows fatal exception: code 0x8001010e
    3456 
    3457 Thread 0x000004f8 (most recent call first):
    3458   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3459   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3460   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3461   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3462 
    3463 Thread 0x00004114 (most recent call first):
    3464   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3465   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3466   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3467   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3468 
    3469 Thread 0x00003a54 (most recent call first):
    3470   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3471   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3472   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3473   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3474   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3475   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3476   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3477 
    3478 Thread 0x0000475c (most recent call first):
    3479   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3480   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3481   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3482   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3483 
    3484 Thread 0x00001e38 (most recent call first):
    3485   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3486   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3487   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3488   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3489 
    3490 Thread 0x00004274 (most recent call first):
    3491   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3492   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3493   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3494   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3495 
    3496 Thread 0x00003a28 (most recent call first):
    3497   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3498   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3499   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3500   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3501 
    3502 Thread 0x00003138 (most recent call first):
    3503   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3504   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3505   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3506   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3507 
    3508 Thread 0x00000c54 (most recent call first):
    3509   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3510   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3511   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3512   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3513 
    3514 Thread 0x0000243c (most recent call first):
    3515   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3516   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3517   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3518   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3519 
    3520 Thread 0x00000914 (most recent call first):
    3521   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3522   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3523   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3524   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3525 
    3526 Thread 0x00001e5c (most recent call first):
    3527   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3528   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3529   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3530   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3531   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3532   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3533   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3534 Windows fatal exception: code 0x8001010e
    3535 
    3536 Thread 0x000004f8 (most recent call first):
    3537   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3538   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3539   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3540   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3541 
    3542 Thread 0x00004114 (most recent call first):
    3543   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3544   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3545   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3546   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3547 
    3548 Thread 0x00003a54 (most recent call first):
    3549   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3550   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3551   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3552   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3553   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3554   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3555   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3556 
    3557 Thread 0x0000475c (most recent call first):
    3558   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3559   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3560   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3561   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3562 
    3563 Thread 0x00001e38 (most recent call first):
    3564   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3565   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3566   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3567   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3568 
    3569 Thread 0x00004274 (most recent call first):
    3570   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3571   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3572   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3573   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3574 
    3575 Thread 0x00003a28 (most recent call first):
    3576   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3577   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3578   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3579   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3580 
    3581 Thread 0x00003138 (most recent call first):
    3582   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3583   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3584   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3585   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3586 
    3587 Thread 0x00000c54 (most recent call first):
    3588   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3589   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3590   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3591   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3592 
    3593 Thread 0x0000243c (most recent call first):
    3594   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3595   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3596   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3597   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3598 
    3599 Thread 0x00000914 (most recent call first):
    3600   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3601   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3602   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3603   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3604 
    3605 Thread 0x00001e5c (most recent call first):
    3606   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3607   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3608   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3609   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3610   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3611   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3612   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3613 Windows fatal exception: code 0x8001010e
    3614 
    3615 Thread 0x000004f8 (most recent call first):
    3616   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3617   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3618   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3619   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3620 
    3621 Thread 0x00004114 (most recent call first):
    3622   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3623   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3624   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3625   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3626 
    3627 Thread 0x00003a54 (most recent call first):
    3628   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3629   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3630   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3631   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3632   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3633   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3634   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3635 
    3636 Thread 0x0000475c (most recent call first):
    3637   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3638   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3639   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3640   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3641 
    3642 Thread 0x00001e38 (most recent call first):
    3643   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3644   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3645   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3646   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3647 
    3648 Thread 0x00004274 (most recent call first):
    3649   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3650   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3651   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3652   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3653 
    3654 Thread 0x00003a28 (most recent call first):
    3655   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3656   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3657   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3658   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3659 
    3660 Thread 0x00003138 (most recent call first):
    3661   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3662   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3663   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3664   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3665 
    3666 Thread 0x00000c54 (most recent call first):
    3667   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3668   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3669   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3670   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3671 
    3672 Thread 0x0000243c (most recent call first):
    3673   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3674   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3675   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3676   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3677 
    3678 Thread 0x00000914 (most recent call first):
    3679   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3680   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3681   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3682   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3683 
    3684 Thread 0x00001e5c (most recent call first):
    3685   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3686   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3687   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3688   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3689   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3690   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3691   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3692 Windows fatal exception: code 0x8001010e
    3693 
    3694 Thread 0x000004f8 (most recent call first):
    3695   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3696   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3697   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3698   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3699 
    3700 Thread 0x00004114 (most recent call first):
    3701   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3702   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3703   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3704   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3705 
    3706 Thread 0x00003a54 (most recent call first):
    3707   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3708   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3709   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3710   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3711   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3712   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3713   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3714 
    3715 Thread 0x0000475c (most recent call first):
    3716   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3717   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3718   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3719   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3720 
    3721 Thread 0x00001e38 (most recent call first):
    3722   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3723   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3724   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3725   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3726 
    3727 Thread 0x00004274 (most recent call first):
    3728   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3729   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3730   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3731   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3732 
    3733 Thread 0x00003a28 (most recent call first):
    3734   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3735   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3736   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3737   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3738 
    3739 Thread 0x00003138 (most recent call first):
    3740   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3741   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3742   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3743   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3744 
    3745 Thread 0x00000c54 (most recent call first):
    3746   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3747   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3748   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3749   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3750 
    3751 Thread 0x0000243c (most recent call first):
    3752   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3753   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3754   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3755   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3756 
    3757 Thread 0x00000914 (most recent call first):
    3758   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3759   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3760   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3761   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3762 
    3763 Thread 0x00001e5c (most recent call first):
    3764   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3765   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3766   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3767   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3769   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3770   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3771 Windows fatal exception: code 0x8001010e
    3772 
    3773 Thread 0x000004f8 (most recent call first):
    3774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3775   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3776   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3777   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3778 
    3779 Thread 0x00004114 (most recent call first):
    3780   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3781   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3782   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3783   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3784 
    3785 Thread 0x00003a54 (most recent call first):
    3786   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3787   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3788   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3789   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3790   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3792   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3793 
    3794 Thread 0x0000475c (most recent call first):
    3795   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3796   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3798   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3799 
    3800 Thread 0x00001e38 (most recent call first):
    3801   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3802   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3805 
    3806 Thread 0x00004274 (most recent call first):
    3807   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3808   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3809   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3810   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3811 
    3812 Thread 0x00003a28 (most recent call first):
    3813   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3814   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3815   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3816   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3817 
    3818 Thread 0x00003138 (most recent call first):
    3819   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3820   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3821   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3822   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3823 
    3824 Thread 0x00000c54 (most recent call first):
    3825   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3826   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3827   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3828   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3829 
    3830 Thread 0x0000243c (most recent call first):
    3831   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3832   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3833   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3834   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3835 
    3836 Thread 0x00000914 (most recent call first):
    3837   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3838   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3839   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3840   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3841 
    3842 Thread 0x00001e5c (most recent call first):
    3843   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3844   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3845   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3846   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3848   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3849   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3850 Windows fatal exception: code 0x8001010e
    3851 
    3852 Thread 0x000004f8 (most recent call first):
    3853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3854   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3855   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3856   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3857 
    3858 Thread 0x00004114 (most recent call first):
    3859   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3860   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3861   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3862   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3863 
    3864 Thread 0x00003a54 (most recent call first):
    3865   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3866   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3867   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3868   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3869   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3871   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3872 
    3873 Thread 0x0000475c (most recent call first):
    3874   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3875   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3877   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3878 
    3879 Thread 0x00001e38 (most recent call first):
    3880   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3881   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3883   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3884 
    3885 Thread 0x00004274 (most recent call first):
    3886   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3887   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3888   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3889   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3890 
    3891 Thread 0x00003a28 (most recent call first):
    3892   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3893   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3894   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3895   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3896 
    3897 Thread 0x00003138 (most recent call first):
    3898   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3899   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3900   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3901   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3902 
    3903 Thread 0x00000c54 (most recent call first):
    3904   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3905   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3907   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3908 
    3909 Thread 0x0000243c (most recent call first):
    3910   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3911   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3912   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3913   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3914 
    3915 Thread 0x00000914 (most recent call first):
    3916   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3917   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3918   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3919   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3920 
    3921 Thread 0x00001e5c (most recent call first):
    3922   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3923   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    3924   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    3925   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3927   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    3928   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    3929 Windows fatal exception: code 0x8001010e
    3930 
    3931 Thread 0x000004f8 (most recent call first):
    3932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3933   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3934   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3935   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3936 
    3937 Thread 0x00004114 (most recent call first):
    3938   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3939   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3940   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3941   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3942 
    3943 Thread 0x00003a54 (most recent call first):
    3944   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3945   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    3946   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3947   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3948   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3950   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3951 
    3952 Thread 0x0000475c (most recent call first):
    3953   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3954   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3957 
    3958 Thread 0x00001e38 (most recent call first):
    3959   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3960   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3962   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3963 
    3964 Thread 0x00004274 (most recent call first):
    3965   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3966   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3967   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3968   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3969 
    3970 Thread 0x00003a28 (most recent call first):
    3971   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3972   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3973   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3974   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3975 
    3976 Thread 0x00003138 (most recent call first):
    3977   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3978   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3979   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3980   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3981 
    3982 Thread 0x00000c54 (most recent call first):
    3983   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3984   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3985   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3986   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3987 
    3988 Thread 0x0000243c (most recent call first):
    3989   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3990   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3991   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3992   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3993 
    3994 Thread 0x00000914 (most recent call first):
    3995   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    3996   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    3997   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    3998   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    3999 
    4000 Thread 0x00001e5c (most recent call first):
    4001   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4002   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4003   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4004   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4006   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4007   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4008 Windows fatal exception: code 0x8001010e
    4009 
    4010 Thread 0x000004f8 (most recent call first):
    4011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4012   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4013   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4014   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4015 
    4016 Thread 0x00004114 (most recent call first):
    4017   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4018   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4019   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4020   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4021 
    4022 Thread 0x00003a54 (most recent call first):
    4023   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4024   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4025   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4026   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4027   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4029   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4030 
    4031 Thread 0x0000475c (most recent call first):
    4032   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4033   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4035   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4036 
    4037 Thread 0x00001e38 (most recent call first):
    4038   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4039   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4041   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4042 
    4043 Thread 0x00004274 (most recent call first):
    4044   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4045   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4046   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4047   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4048 
    4049 Thread 0x00003a28 (most recent call first):
    4050   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4051   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4052   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4053   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4054 
    4055 Thread 0x00003138 (most recent call first):
    4056   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4057   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4058   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4059   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4060 
    4061 Thread 0x00000c54 (most recent call first):
    4062   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4063   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4064   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4065   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4066 
    4067 Thread 0x0000243c (most recent call first):
    4068   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4069   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4070   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4071   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4072 
    4073 Thread 0x00000914 (most recent call first):
    4074   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4075   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4076   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4077   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4078 
    4079 Thread 0x00001e5c (most recent call first):
    4080   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4081   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4082   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4083   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4086   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4087 Windows fatal exception: code 0x8001010e
    4088 
    4089 Thread 0x000004f8 (most recent call first):
    4090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4093   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4094 
    4095 Thread 0x00004114 (most recent call first):
    4096   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4097   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4098   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4099   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4100 
    4101 Thread 0x00003a54 (most recent call first):
    4102   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4103   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4104   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4105   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4108   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4109 
    4110 Thread 0x0000475c (most recent call first):
    4111   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4115 
    4116 Thread 0x00001e38 (most recent call first):
    4117   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4118   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4120   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4121 
    4122 Thread 0x00004274 (most recent call first):
    4123   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4124   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4125   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4126   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4127 
    4128 Thread 0x00003a28 (most recent call first):
    4129   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4130   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4131   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4132   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4133 
    4134 Thread 0x00003138 (most recent call first):
    4135   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4136   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4137   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4138   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4139 
    4140 Thread 0x00000c54 (most recent call first):
    4141   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4142   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4143   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4144   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4145 
    4146 Thread 0x0000243c (most recent call first):
    4147   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4148   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4149   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4150   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4151 
    4152 Thread 0x00000914 (most recent call first):
    4153   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4154   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4155   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4156   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4157 
    4158 Thread 0x00001e5c (most recent call first):
    4159   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4160   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4161   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4162   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4165   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4166 Windows fatal exception: code 0x8001010e
    4167 
    4168 Thread 0x000004f8 (most recent call first):
    4169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _Windows fatal exception: code 0xha8001010e
    4170 
    4171 ndWindows fatal exception: code 0x8001010e
    4172 
    4173 lWindows fatal exception: code 0xe_8001010e
    4174 
    4175 Windows fatal exception: recode 0x8001010e
    4176 
    4177 sultWindows fatal exception: code 0xs
    4178 8001010e
    4179 
    4180   File "C:Windows fatal exception: code 0x8001010e
    4181 
    4182 \PrograWindows fatal exception: code 0xm 8001010e
    4183 
    4184 FileWindows fatal exception: code 0xs\8001010e
    4185 
    4186 ChiWindows fatal exception: code 0xme8001010e
    4187 
    4188 rWindows fatal exception: Windows fatal exception: aXcode 0x8001010ecode 0x8001010e 1
    4189 
    4190 
    4191 
    4192 Windows fatal exception: code 0x.4.dev2Windows fatal exception: code 0x8001010e
    4193 
    4194 Windows fatal exception: 8001010e
    4195 
    4196 02code 0x8001010e11
    4197 
    4198 1Windows fatal exception: code 0x118001010e
    4199 
    4200 10Windows fatal exception: code 0x028001010e
    4201 
    4202 \Windows fatal exception: code 0xbi8001010e
    4203 
    4204 nWindows fatal exception: code 0x8001010e\l
    4205 
    4206 iWindows fatal exception: code 0xb\8001010e
    4207 
    4208 tWindows fatal exception: code 0xhr8001010e
    4209 
    4210 eWindows fatal exception: code 0xa8001010ed
    4211 
    4212 iWindows fatal exception: ncode 0xg8001010e.
    4213 
    4214 py", line 910 in run
    4215   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4216   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4217 
    4218 Thread 0x00004114 (most recent call first):
    4219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4220   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4221   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4222   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4223 
    4224 Thread 0x00003a54 (most recent call first):
    4225   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4226   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4227   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4228   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4229   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4230   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4231   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4232 
    4233 Thread 0x0000475c (most recent call first):
    4234   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4235   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4238 
    4239 Thread 0x00001e38 (most recent call first):
    4240   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\liWindows fatal exception: code 0xb\mu8001010e
    4241 
    4242 ltWindows fatal exception: ipcode 0x8001010ero
    4243 
    4244 cWindows fatal exception: ecode 0xss8001010ei
    4245 
    4246 nWindows fatal exception: code 0xg\8001010e
    4247 
    4248 Windows fatal exception: poocode 0x8001010el.py
    4249 
    4250 ", line Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e
    4251 
    4252 114 in wo8001010e
    4253 
    4254 Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e8001010e
    4255 
    4256 rWindows fatal exception:
    4257 
    4258 code 0xkWindows fatal exception: 8001010ecode 0x
    4259 
    4260 8001010eer
    4261 Windows fatal exception: code 0x
    4262 
    4263   File Windows fatal exception: "C8001010e
    4264 
    4265 code 0x8001010e:\P
    4266 
    4267 Windows fatal exception: code 0x8001010eWindows fatal exception: code 0x8001010e
    4268 
    4269 rWindows fatal exception:
    4270 
    4271 ogcode 0x8001010e
    4272 
    4273 raWindows fatal exception: code 0xm Fi8001010e
    4274 
    4275 les\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4276   File "C:\ProgWindows fatal exception: code 0x8001010eram Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4277   File "C:\Program F
    4278 
    4279 ileWindows fatal exception: code 0xs8001010e\Ch
    4280 
    4281 imeraX Windows fatal exception: code 0x1Windows fatal exception: code 0x8001010e
    4282 
    4283 .Windows fatal exception: 8001010e
    4284 
    4285 code 0xWindows fatal exception: code 0x8001010e
    4286 
    4287 8001010e
    4288 
    4289 Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e
    4290 
    4291 8001010e
    4292 
    4293 4.Windows fatal exception: code 0x8001010e
    4294 
    4295 dWindows fatal exception: code 0x8001010e
    4296 
    4297 eWindows fatal exception: code 0xv208001010e
    4298 
    4299 2Windows fatal exception: code 0x8001010e11
    4300 
    4301 1Windows fatal exception: code 0x1118001010e
    4302 
    4303 0Windows fatal exception: code 0x8001010e02
    4304 
    4305 \bWindows fatal exception: code 0x8001010e
    4306 
    4307 iWindows fatal exception: code 0x8001010en\
    4308 
    4309 lib\threading.py", line Windows fatal exception: code 0x8001010e
    4310 
    4311 930Windows fatal exception: code 0x8001010eWindows fatal exception: code 0x8001010e
    4312 
    4313  in _boots
    4314 
    4315 Windows fatal exception: code 0x8001010eWindows fatal exception: code 0x8001010e
    4316 
    4317 tWindows fatal exception:
    4318 
    4319 rWindows fatal exception: code 0x8001010e
    4320 
    4321 code 0x8001010eap
    4322 
    4323 
    4324 
    4325 Windows fatal exception: Windows fatal exception: Thread 0x00004274code 0x8001010ecode 0x8001010e (most recent call first):
    4326   File "
    4327 
    4328 
    4329 
    4330 Windows fatal exception: C:code 0x8001010eWindows fatal exception: code 0x\P
    4331 
    4332 8001010eWindows fatal exception: ro
    4333 
    4334 code 0xWindows fatal exception: code 0x8001010e
    4335 
    4336 grWindows fatal exception: code 0x8001010e
    4337 
    4338 am FiWindows fatal exception: code 0x8001010e
    4339 
    4340 8001010eWindows fatal exception: le
    4341 
    4342 Windows fatal exception: Windows fatal exception: code 0xs\code 0x8001010ecode 0x8001010e8001010e
    4343 
    4344 Ch
    4345 
    4346 Windows fatal exception: Windows fatal exception:
    4347 
    4348 code 0xWindows fatal exception: code 0xcode 0x8001010e8001010e
    4349 
    4350 iWindows fatal exception:
    4351 
    4352 mWindows fatal exception: 8001010e
    4353 
    4354 code 0xWindows fatal exception: code 0x8001010e8001010e
    4355 
    4356 erWindows fatal exception: code 0x
    4357 
    4358 code 0xWindows fatal exception: aX8001010e
    4359 
    4360 8001010e
    4361 
    4362 code 0xWindows fatal exception: code 0x8001010e
    4363 
    4364  1.4.dev2028001010e
    4365 
    4366 1Windows fatal exception: Windows fatal exception: code 0x8001010ecode 0x8001010e
    4367 
    4368 
    4369 
    4370 11111002\bWindows fatal exception: code 0x8001010eWindows fatal exception: code 0x8001010ein
    4371 
    4372 
    4373 
    4374 Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e\lib8001010e
    4375 
    4376 \Windows fatal exception:
    4377 
    4378 mWindows fatal exception: ucode 0xl8001010et
    4379 
    4380 iWindows fatal exception: pcode 0xr8001010ecode 0x8001010eoc
    4381 
    4382 
    4383 
    4384 Windows fatal exception: escode 0x8001010eWindows fatal exception: code 0xWindows fatal exception: code 0x8001010e
    4385 
    4386 
    4387 
    4388 Windows fatal exception: sing\p8001010e
    4389 
    4390 code 0x8001010eWindows fatal exception: code 0xoo
    4391 
    4392 8001010eWindows fatal exception: l.
    4393 
    4394 code 0xWindows fatal exception: py", line 1148001010e
    4395 
    4396 code 0x8001010e in wWindows fatal exception: code 0x
    4397 
    4398 oWindows fatal exception: 8001010e
    4399 
    4400 rkcode 0x8001010eWindows fatal exception: code 0xer
    4401 
    4402 8001010eWindows fatal exception:
    4403   File "code 0x8001010e
    4404 
    4405 
    4406 
    4407 CWindows fatal exception: code 0xWindows fatal exception: Windows fatal exception: code 0x8001010ecode 0x8001010e:\Pro8001010e
    4408 
    4409 
    4410 
    4411 Windows fatal exception: code 0xWindows fatal exception: 8001010e
    4412 
    4413 Windows fatal exception: code 0x8001010egrcode 0x8001010e
    4414 
    4415 Windows fatal exception: code 0x8001010e
    4416 
    4417 Windows fatal exception: code 0x
    4418 
    4419 aWindows fatal exception:
    4420 
    4421 8001010e
    4422 
    4423 m code 0x8001010e
    4424 
    4425 Windows fatal exception: code 0xFiWindows fatal exception: code 0x8001010e
    4426 
    4427 leWindows fatal exception: scode 0x\8001010e
    4428 
    4429 8001010eWindows fatal exception: code 0x
    4430 
    4431 CWindows fatal exception: 8001010e
    4432 
    4433 hiWindows fatal exception: code 0xcode 0x8001010emeWindows fatal exception: code 0x8001010e
    4434 
    4435 
    4436 
    4437 rWindows fatal exception: 8001010e
    4438 
    4439 Windows fatal exception: aXcode 0x 8001010e1
    4440 
    4441 .code 0xWindows fatal exception: 4.8001010e
    4442 
    4443 code 0xWindows fatal exception: dev208001010e
    4444 
    4445 code 0x8001010eWindows fatal exception:
    4446 
    4447 code 0x8001010eWindows fatal exception:
    4448 
    4449 code 0x218001010e
    4450 
    4451 Windows fatal exception: Windows fatal exception: 11code 0x8001010ecode 0x8001010e11
    4452 
    4453 1
    4454 
    4455 00Windows fatal exception: code 0x2\8001010e
    4456 
    4457 biWindows fatal exception: ncode 0x\8001010el
    4458 
    4459 iWindows fatal exception: b\code 0x8001010e
    4460 
    4461 Windows fatal exception: code 0xth8001010e
    4462 
    4463 reWindows fatal exception: acode 0xd8001010ei
    4464 
    4465 ngWindows fatal exception: .code 0xp8001010ey
    4466 
    4467 ", line 910 in run
    4468   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4469   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4470 
    4471 Thread 0x00003a28 (most recent call first):
    4472   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4473   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4474   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4475   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4476 
    4477 Thread 0x00003138 (most recent call first):
    4478   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4479   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4480   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4481   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4482 
    4483 Thread 0x00000c54 (most recent call first):
    4484   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4485   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4486   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4487   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4488 
    4489 Thread 0x0000243c (most recent call first):
    4490   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4491   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4492   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4493   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4494 
    4495 Thread 0x00000914 (most recent call first):
    4496   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4497   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4498   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4499   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4500 
    4501 Thread 0x00001e5c (most recent call first):
    4502   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4503   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4504   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4505   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4506   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4507   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4508   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4509 Windows fatal exception: code 0x8001010e
    4510 
    4511 Thread 0x000004f8 (most recent call first):
    4512   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4513   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4514   File "C:\Program Files\ChimeraX 1.4Windows fatal exception: code 0x8001010e
    4515 
    4516 .Windows fatal exception: decode 0x8001010ev2
    4517 
    4518 0Windows fatal exception: code 0x218001010e
    4519 
    4520 11Windows fatal exception: code 0x111002\8001010e
    4521 
    4522 biWindows fatal exception: ncode 0x8001010e\l
    4523 
    4524 iWindows fatal exception: code 0xb\8001010e
    4525 
    4526 tWindows fatal exception: code 0xhre8001010e
    4527 
    4528 aWindows fatal exception: dicode 0x8001010eng
    4529 
    4530 .Windows fatal exception: pycode 0x8001010e", line
    4531 
    4532 973Windows fatal exception: code 0x in _8001010e
    4533 
    4534 boWindows fatal exception: code 0xot8001010e
    4535 
    4536 strap_inner
    4537   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4538 
    4539 Thread 0x00004114 (most recent call first):
    4540   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4541   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4542   File "C:\Program Files\ChimeraX 1.4.deWindows fatal exception: code 0x8001010e
    4543 
    4544 vWindows fatal exception: code 0x208001010e
    4545 
    4546 Windows fatal exception: code 0x211118001010e
    4547 
    4548 Windows fatal exception: code 0x118001010e
    4549 
    4550 00Windows fatal exception: 2code 0x\8001010e
    4551 
    4552 bWindows fatal exception: icode 0xn8001010e\
    4553 
    4554 Windows fatal exception: licode 0x8001010eb\
    4555 
    4556 tWindows fatal exception: hcode 0xr8001010e
    4557 
    4558 eWindows fatal exception: code 0xad8001010e
    4559 
    4560 iWindows fatal exception: code 0xn8001010eg
    4561 
    4562 .Windows fatal exception: code 0xpy8001010e
    4563 
    4564 ", line 973 in _bootstrap_inner
    4565   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4566 
    4567 Thread 0x00003a54 (most recent call first):
    4568   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_waWindows fatal exception: code 0x8001010e
    4569 
    4570 Windows fatal exception: itcode 0x8001010e
    4571 
    4572 Windows fatal exception:
    4573   File code 0x8001010e"C
    4574 
    4575 :Windows fatal exception: code 0x\P8001010e
    4576 
    4577 rWindows fatal exception: code 0xo8001010eg
    4578 
    4579 rWindows fatal exception: code 0xa8001010em
    4580 
    4581  Windows fatal exception: Fcode 0xi8001010el
    4582 
    4583 eWindows fatal exception: code 0x8001010e
    4584 
    4585 Windows fatal exception: code 0xs\Chime8001010e
    4586 
    4587 raWindows fatal exception: code 0xX 8001010e
    4588 
    4589 1Windows fatal exception: code 0x.8001010e4
    4590 
    4591 .dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4592   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4593   File "C:\Program Files\ChimeraXWindows fatal exception: code 0x 8001010e
    4594 
    4595 1.4Windows fatal exception: code 0x.d8001010e
    4596 
    4597 evWindows fatal exception: 2code 0x08001010e2
    4598 
    4599 1Windows fatal exception: code 0x18001010e1
    4600 
    4601 1Windows fatal exception: 1code 0x8001010e
    4602 
    4603 1Windows fatal exception: 00code 0x8001010e2\
    4604 
    4605 bWindows fatal exception: icode 0xn8001010e\
    4606 
    4607 lWindows fatal exception: icode 0x8001010eb\
    4608 
    4609 mWindows fatal exception: code 0xul8001010e
    4610 
    4611 tWindows fatal exception: icode 0x8001010epr
    4612 
    4613 oWindows fatal exception: ccode 0xe8001010es
    4614 
    4615 sing\pool.py", line 519 in _handle_workers
    4616   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4617   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4618   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py"Windows fatal exception: code 0x8001010e
    4619 
    4620 , line 930 in _booWindows fatal exception: code 0x8001010e
    4621 
    4622 tsWindows fatal exception: code 0xtrap8001010e
    4623 
    4624 
    4625 
    4626 Windows fatal exception: code 0x8001010e
    4627 
    4628 Thread 0x0000475c (most recent call first):
    4629 Windows fatal exception: code 0x8001010e
    4630 
    4631   File "Windows fatal exception: code 0x8001010e
    4632 
    4633 CWindows fatal exception: code 0x8001010e:\Prog
    4634 
    4635 ram FilWindows fatal exception: code 0x8001010e
    4636 
    4637 esWindows fatal exception: code 0x8001010e
    4638 
    4639 \Windows fatal exception: code 0xChime8001010e
    4640 
    4641 raX Windows fatal exception: code 0x1.8001010e
    4642 
    4643 4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4644   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4645   File "C:\Program FilesWindows fatal exception: code 0x\C8001010e
    4646 
    4647 hiWindows fatal exception: code 0xm8001010ee
    4648 
    4649 rWindows fatal exception: code 0xaX8001010e
    4650 
    4651  Windows fatal exception: 1code 0x.8001010e4
    4652 
    4653 .Windows fatal exception: code 0xd8001010ee
    4654 
    4655 vWindows fatal exception: 2code 0x08001010e2
    4656 
    4657 1Windows fatal exception: code 0x118001010e
    4658 
    4659 1Windows fatal exception: 1code 0x18001010e002
    4660 
    4661 \Windows fatal exception: code 0xbi8001010e
    4662 
    4663 nWindows fatal exception: \code 0xl8001010ei
    4664 
    4665 bWindows fatal exception: code 0x\t8001010e
    4666 
    4667 hreading.py", line 973 in _bootstrap_inner
    4668   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4669 
    4670 Thread 0x00001e38 (most recent call first):
    4671   File "C:\Program Files\ChimeraX 1Windows fatal exception: code 0x8001010e
    4672 
    4673 .4Windows fatal exception: code 0x.d8001010e
    4674 
    4675 evWindows fatal exception: code 0x28001010e0
    4676 
    4677 2Windows fatal exception: code 0x118001010e
    4678 
    4679 11Windows fatal exception: code 0x118001010e
    4680 
    4681 00Windows fatal exception: code 0x2\8001010e
    4682 
    4683 biWindows fatal exception: code 0xn\l8001010e
    4684 
    4685 iWindows fatal exception: code 0xb\8001010e
    4686 
    4687 muWindows fatal exception: code 0xlt8001010e
    4688 
    4689 iWindows fatal exception: code 0xpr8001010e
    4690 
    4691 oWindows fatal exception: ccode 0xes8001010e
    4692 
    4693 sing\pool.py", line 114 in worker
    4694   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4695   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.pyWindows fatal exception: code 0x8001010e
    4696 
    4697 "Windows fatal exception: code 0x, line 973 in _bo8001010e
    4698 
    4699 Windows fatal exception: code 0x8001010e
    4700 
    4701 oWindows fatal exception: tcode 0xs8001010et
    4702 
    4703 rWindows fatal exception: code 0xap8001010e
    4704 
    4705 _Windows fatal exception: code 0xin8001010e
    4706 
    4707 Windows fatal exception: code 0xne8001010e
    4708 
    4709 rWindows fatal exception:
    4710   File code 0x8001010e"C
    4711 
    4712 Windows fatal exception: code 0x:\8001010e
    4713 
    4714 PrWindows fatal exception: code 0x8001010eog
    4715 
    4716 ram FiWindows fatal exception: lecode 0x8001010eWindows fatal exception: code 0xs\Chime
    4717 
    4718 8001010e
    4719 
    4720 raWindows fatal exception: Xcode 0x 8001010e1
    4721 
    4722 .4Windows fatal exception: .code 0xd8001010ee
    4723 
    4724 vWindows fatal exception: 2code 0x08001010e2
    4725 
    4726 1Windows fatal exception: 1code 0x18001010e1
    4727 
    4728 1Windows fatal exception: code 0x8001010e
    4729 
    4730 Windows fatal exception: code 0x1002\bi8001010e
    4731 
    4732 nWindows fatal exception: \lcode 0x8001010eib
    4733 
    4734 \tWindows fatal exception: code 0xhr8001010e
    4735 
    4736 eWindows fatal exception: code 0xad8001010e
    4737 
    4738 iWindows fatal exception: code 0xng8001010e
    4739 
    4740 .py", line 930 in _bootstrap
    4741 
    4742 Thread 0x00004274 (most recent call first):
    4743   File "C:\Program Windows fatal exception: code 0xFi8001010e
    4744 
    4745 leWindows fatal exception: code 0xs\C8001010e
    4746 
    4747 hiWindows fatal exception: code 0x8001010e
    4748 
    4749 mWindows fatal exception: code 0xer8001010e
    4750 
    4751 aX Windows fatal exception: code 0x1.8001010e4.
    4752 
    4753 deWindows fatal exception: code 0x8001010ev2
    4754 
    4755 0Windows fatal exception: code 0x218001010e
    4756 
    4757 11Windows fatal exception: code 0x18001010e1
    4758 
    4759 10Windows fatal exception: code 0x028001010e
    4760 
    4761 \biWindows fatal exception: code 0xn\8001010e
    4762 
    4763 liWindows fatal exception: code 0xb\8001010e
    4764 
    4765 multiprocessing\pool.py", line 114 in worker
    4766   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4767   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4769 
    4770 Thread 0x00003a28 (most recent call first):
    4771   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4772   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4773   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4775 
    4776 Thread 0x00003138 (most recent call first):
    4777   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4778   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4779   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4780   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4781 
    4782 Thread 0x00000c54 (most recent call first):
    4783   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4784   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4785   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4786   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4787 
    4788 Thread 0x0000243c (most recent call first):
    4789   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4790   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4792   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4793 
    4794 Thread 0x00000914 (most recent call first):
    4795   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4796   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4798   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4799 
    4800 Thread 0x00001e5c (most recent call first):
    4801   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4802   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4805   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4806   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4807   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4808 Windows fatal exception: code 0x8001010e
    4809 
    4810 Thread 0x000004f8 (most recent call first):
    4811   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4812   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4813   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4814   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4815 
    4816 Thread 0x00004114 (most recent call first):
    4817   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4818   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4819   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4820   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4821 
    4822 Thread 0x00003a54 (most recent call first):
    4823   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4824   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4825   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4826   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4827   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4828   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4829   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4830 
    4831 Thread 0x0000475c (most recent call first):
    4832   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4833   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4834   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4835   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4836 
    4837 Thread 0x00001e38 (most recent call first):
    4838   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4839   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4840   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4841   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4842 
    4843 Thread 0x00004274 (most recent call first):
    4844   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4845   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4846   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4848 
    4849 Thread 0x00003a28 (most recent call first):
    4850   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4851   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4852   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4854 
    4855 Thread 0x00003138 (most recent call first):
    4856   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4857   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4858   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4859   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4860 
    4861 Thread 0x00000c54 (most recent call first):
    4862   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4863   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4864   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4865   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4866 
    4867 Thread 0x0000243c (most recent call first):
    4868   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4869   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4871   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4872 
    4873 Thread 0x00000914 (most recent call first):
    4874   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4875   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4877   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4878 
    4879 Thread 0x00001e5c (most recent call first):
    4880   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4881   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4883   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4884   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4885   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4886   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4887 Windows fatal exception: code 0x8001010e
    4888 
    4889 Thread 0x000004f8 (most recent call first):
    4890   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4891   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4892   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4893   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4894 
    4895 Thread 0x00004114 (most recent call first):
    4896   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4897   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4898   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4899   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4900 
    4901 Thread 0x00003a54 (most recent call first):
    4902   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4903   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4904   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4905   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4907   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4908   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4909 
    4910 Thread 0x0000475c (most recent call first):
    4911   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4912   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4913   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4914   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4915 
    4916 Thread 0x00001e38 (most recent call first):
    4917   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4918   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4919   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4920   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4921 
    4922 Thread 0x00004274 (most recent call first):
    4923   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4924   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4925   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4927 
    4928 Thread 0x00003a28 (most recent call first):
    4929   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4930   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4931   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4933 
    4934 Thread 0x00003138 (most recent call first):
    4935   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4936   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4937   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4938   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4939 
    4940 Thread 0x00000c54 (most recent call first):
    4941   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4942   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4943   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4944   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4945 
    4946 Thread 0x0000243c (most recent call first):
    4947   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4948   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4950   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4951 
    4952 Thread 0x00000914 (most recent call first):
    4953   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4954   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4957 
    4958 Thread 0x00001e5c (most recent call first):
    4959   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    4960   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    4961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    4962   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    4963   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    4964   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    4965   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    4966 Windows fatal exception: code 0x8001010e
    4967 
    4968 Thread 0x000004f8 (most recent call first):
    4969   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    4970   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4971   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4972   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4973 
    4974 Thread 0x00004114 (most recent call first):
    4975   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    4976   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4977   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4978   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4979 
    4980 Thread 0x00003a54 (most recent call first):
    4981   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    4982   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    4983   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    4984   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    4985   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4986   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4987   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4988 
    4989 Thread 0x0000475c (most recent call first):
    4990   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4991   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4992   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4993   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    4994 
    4995 Thread 0x00001e38 (most recent call first):
    4996   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    4997   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    4998   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    4999   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5000 
    5001 Thread 0x00004274 (most recent call first):
    5002   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5003   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5004   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5006 
    5007 Thread 0x00003a28 (most recent call first):
    5008   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5009   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5010   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5012 
    5013 Thread 0x00003138 (most recent call first):
    5014   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5015   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5016   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5017   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5018 
    5019 Thread 0x00000c54 (most recent call first):
    5020   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5021   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5022   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5023   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5024 
    5025 Thread 0x0000243c (most recent call first):
    5026   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5027   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5029   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5030 
    5031 Thread 0x00000914 (most recent call first):
    5032   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5033   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5035   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5036 
    5037 Thread 0x00001e5c (most recent call first):
    5038   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5039   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5041   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5042   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5043   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5044   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5045 Windows fatal exception: code 0x8001010e
    5046 
    5047 Thread 0x000004f8 (most recent call first):
    5048   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5049   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5050   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5051   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5052 
    5053 Thread 0x00004114 (most recent call first):
    5054   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5056   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5057   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5058 
    5059 Thread 0x00003a54 (most recent call first):
    5060   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5061   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5062   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5063   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5064   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5065   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5066   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5067 
    5068 Thread 0x0000475c (most recent call first):
    5069   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5070   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5071   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5072   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5073 
    5074 Thread 0x00001e38 (most recent call first):
    5075   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5076   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5077   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5079 
    5080 Thread 0x00004274 (most recent call first):
    5081   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5082   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5083   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5085 
    5086 Thread 0x00003a28 (most recent call first):
    5087   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5088   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5089   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5091 
    5092 Thread 0x00003138 (most recent call first):
    5093   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5094   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5095   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5096   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5097 
    5098 Thread 0x00000c54 (most recent call first):
    5099   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5100   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5102   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5103 
    5104 Thread 0x0000243c (most recent call first):
    5105   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5108   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5109 
    5110 Thread 0x00000914 (most recent call first):
    5111   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5115 
    5116 Thread 0x00001e5c (most recent call first):
    5117   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5118   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5120   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5121   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5123   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5124 Windows fatal exception: code 0x8001010e
    5125 
    5126 Thread 0x000004f8 (most recent call first):
    5127   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5129   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5130   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5131 
    5132 Thread 0x00004114 (most recent call first):
    5133   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5135   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5136   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5137 
    5138 Thread 0x00003a54 (most recent call first):
    5139   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5140   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5141   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5142   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5143   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5144   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5145   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5146 
    5147 Thread 0x0000475c (most recent call first):
    5148   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5149   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5150   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5151   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5152 
    5153 Thread 0x00001e38 (most recent call first):
    5154   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5155   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5156   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5158 
    5159 Thread 0x00004274 (most recent call first):
    5160   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5161   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5162   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5164 
    5165 Thread 0x00003a28 (most recent call first):
    5166   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5167   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5168   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5170 
    5171 Thread 0x00003138 (most recent call first):
    5172   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5173   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5174   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5175   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5176 
    5177 Thread 0x00000c54 (most recent call first):
    5178   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5179   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5181   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5182 
    5183 Thread 0x0000243c (most recent call first):
    5184   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5185   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5187   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5188 
    5189 Thread 0x00000914 (most recent call first):
    5190   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5191   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5193   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5194 
    5195 Thread 0x00001e5c (most recent call first):
    5196   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5197   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5198   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5199   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5200   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5202   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5203 Windows fatal exception: code 0x8001010e
    5204 
    5205 Thread 0x000004f8 (most recent call first):
    5206   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5208   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5209   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5210 
    5211 Thread 0x00004114 (most recent call first):
    5212   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5214   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5215   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5216 
    5217 Thread 0x00003a54 (most recent call first):
    5218   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5220   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5221   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5222   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5223   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5224   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5225 
    5226 Thread 0x0000475c (most recent call first):
    5227   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5228   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5229   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5230   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5231 
    5232 Thread 0x00001e38 (most recent call first):
    5233   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5234   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5235   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5237 
    5238 Thread 0x00004274 (most recent call first):
    5239   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5240   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5241   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5243 
    5244 Thread 0x00003a28 (most recent call first):
    5245   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5246   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5247   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5249 
    5250 Thread 0x00003138 (most recent call first):
    5251   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5252   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5253   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5254   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5255 
    5256 Thread 0x00000c54 (most recent call first):
    5257   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5258   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5259   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5260   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5261 
    5262 Thread 0x0000243c (most recent call first):
    5263   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5264   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5265   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5266   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5267 
    5268 Thread 0x00000914 (most recent call first):
    5269   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5270   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5271   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5272   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5273 
    5274 Thread 0x00001e5c (most recent call first):
    5275   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5276   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5277   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5278   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5279   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5280   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5281   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5282 Windows fatal exception: code 0x8001010e
    5283 
    5284 Thread 0x000004f8 (most recent call first):
    5285   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5286   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5287   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5288   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5289 
    5290 Thread 0x00004114 (most recent call first):
    5291   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5292   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5293   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5294   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5295 
    5296 Thread 0x00003a54 (most recent call first):
    5297   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5298   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5299   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5300   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5301   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5302   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5303   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5304 
    5305 Thread 0x0000475c (most recent call first):
    5306   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5307   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5308   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5309   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5310 
    5311 Thread 0x00001e38 (most recent call first):
    5312   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5313   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5314   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5315   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5316 
    5317 Thread 0x00004274 (most recent call first):
    5318   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5319   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5320   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5321   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5322 
    5323 Thread 0x00003a28 (most recent call first):
    5324   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5325   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5326   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5327   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5328 
    5329 Thread 0x00003138 (most recent call first):
    5330   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5331   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5332   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5333   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5334 
    5335 Thread 0x00000c54 (most recent call first):
    5336   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5337   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5338   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5339   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5340 
    5341 Thread 0x0000243c (most recent call first):
    5342   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5343   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5344   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5345   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5346 
    5347 Thread 0x00000914 (most recent call first):
    5348   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5349   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5350   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5351   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5352 
    5353 Thread 0x00001e5c (most recent call first):
    5354   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5355   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5356   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5357   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5358   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5359   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5360   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5361 Windows fatal exception: code 0x8001010e
    5362 
    5363 Thread 0x000004f8 (most recent call first):
    5364   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5365   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5366   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5367   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5368 
    5369 Thread 0x00004114 (most recent call first):
    5370   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5371   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5372   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5373   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5374 
    5375 Thread 0x00003a54 (most recent call first):
    5376   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5377   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5378   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5379   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5380   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5381   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5382   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5383 
    5384 Thread 0x0000475c (most recent call first):
    5385   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5386   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5387   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5388   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5389 
    5390 Thread 0x00001e38 (most recent call first):
    5391   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5392   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5393   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5394   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5395 
    5396 Thread 0x00004274 (most recent call first):
    5397   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5398   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5399   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5400   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5401 
    5402 Thread 0x00003a28 (most recent call first):
    5403   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5404   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5405   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5406   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5407 
    5408 Thread 0x00003138 (most recent call first):
    5409   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5410   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5411   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5412   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5413 
    5414 Thread 0x00000c54 (most recent call first):
    5415   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5416   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5417   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5418   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5419 
    5420 Thread 0x0000243c (most recent call first):
    5421   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5422   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5423   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5424   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5425 
    5426 Thread 0x00000914 (most recent call first):
    5427   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5428   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5429   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5430   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5431 
    5432 Thread 0x00001e5c (most recent call first):
    5433   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5434   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5435   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5436   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5437   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5438   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5439   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5440 Windows fatal exception: code 0x8001010e
    5441 
    5442 Thread 0x000004f8 (most recent call first):
    5443   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5444   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5445   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5446   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5447 
    5448 Thread 0x00004114 (most recent call first):
    5449   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5450   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5451   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5452   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5453 
    5454 Thread 0x00003a54 (most recent call first):
    5455   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5456   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5457   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5458   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5459   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5460   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5461   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5462 
    5463 Thread 0x0000475c (most recent call first):
    5464   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5465   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5466   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5467   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5468 
    5469 Thread 0x00001e38 (most recent call first):
    5470   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5471   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5472   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5473   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5474 
    5475 Thread 0x00004274 (most recent call first):
    5476   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5477   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5478   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5479   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5480 
    5481 Thread 0x00003a28 (most recent call first):
    5482   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5483   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5484   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5485   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5486 
    5487 Thread 0x00003138 (most recent call first):
    5488   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5489   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5490   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5491   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5492 
    5493 Thread 0x00000c54 (most recent call first):
    5494   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5495   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5496   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5497   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5498 
    5499 Thread 0x0000243c (most recent call first):
    5500   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5501   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5502   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5503   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5504 
    5505 Thread 0x00000914 (most recent call first):
    5506   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5507   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5508   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5509   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5510 
    5511 Thread 0x00001e5c (most recent call first):
    5512   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5513   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5514   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5515   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5516   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5517   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5518   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5519 Windows fatal exception: code 0x8001010e
    5520 
    5521 Thread 0x000004f8 (most recent call first):
    5522   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprWindows fatal exception: code 0xoc8001010e
    5523 
    5524 esWindows fatal exception: scode 0xi8001010en
    5525 
    5526 gWindows fatal exception: \code 0xp8001010eo
    5527 
    5528 oWindows fatal exception: lcode 0x.8001010ep
    5529 
    5530 yWindows fatal exception: "code 0x, line 8001010e576
    5531 
    5532  in Windows fatal exception: _code 0x8001010e
    5533 
    5534 hWindows fatal exception: acode 0xn8001010ed
    5535 
    5536 lWindows fatal exception: ecode 0x_8001010er
    5537 
    5538 eWindows fatal exception: scode 0xu8001010e
    5539 
    5540 lWindows fatal exception: Windows fatal exception: code 0x8001010e
    5541 
    5542 tWindows fatal exception: scode 0x
    5543 8001010e  File
    5544 
    5545 "Windows fatal exception: code 0x8001010e
    5546 
    5547 Windows fatal exception: C:code 0x8001010ecode 0x8001010e
    5548 
    5549 \P
    5550 
    5551 rWindows fatal exception: ocode 0xg8001010er
    5552 
    5553 aWindows fatal exception: mcode 0x 8001010eF
    5554 
    5555 iWindows fatal exception: code 0xl8001010ee
    5556 
    5557 sWindows fatal exception: code 0x\C8001010e
    5558 
    5559 hWindows fatal exception: icode 0xme8001010eraX
    5560 
    5561  Windows fatal exception: code 0xWindows fatal exception: 8001010ecode 0x
    5562 
    5563 8001010e1.
    5564 
    5565 Windows fatal exception: Windows fatal exception: code 0x8001010ecode 0x8001010e4.
    5566 
    5567 
    5568 
    5569 Windows fatal exception: decode 0x8001010eWindows fatal exception: code 0xv2
    5570 
    5571 8001010eWindows fatal exception: 02
    5572 
    5573 code 0x8001010e11
    5574 
    5575 11Windows fatal exception: 1code 0x18001010e0
    5576 
    5577 0Windows fatal exception: 2code 0x\8001010eb
    5578 
    5579 iWindows fatal exception: ncode 0x\8001010el
    5580 
    5581 iWindows fatal exception: bcode 0x\8001010et
    5582 
    5583 hWindows fatal exception: recode 0x8001010ead
    5584 
    5585 iWindows fatal exception: ncode 0xg8001010e.
    5586 
    5587 pWindows fatal exception: ycode 0x"8001010e, line
    5588 
    5589 910 in run
    5590   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5591   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5592 
    5593 Thread 0x00004114 (most recent call first):
    5594   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5595   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5596   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5597   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5598 
    5599 Thread 0x00003a54 (most recent call first):
    5600   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5601   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5602   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5603   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5604   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5605   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5606   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5607 
    5608 Thread 0x0000475c (most recent call first):
    5609   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5610   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5611   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5612   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5613 
    5614 Thread 0x00001e38 (most recent call first):
    5615   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5616   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5617   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5618   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5619 
    5620 Thread 0x00004274 (most recent call first):
    5621   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5622   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5623   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5624   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5625 
    5626 Thread 0x00003a28 (most recent call first):
    5627   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5628   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5629   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5630   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5631 
    5632 Thread 0x00003138 (most recent call first):
    5633   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5634   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5635   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5636   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5637 
    5638 Thread 0x00000c54 (most recent call first):
    5639   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5640   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5641   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5642   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5643 
    5644 Thread 0x0000243c (most recent call first):
    5645   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5646   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5647   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5648   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5649 
    5650 Thread 0x00000914 (most recent call first):
    5651   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5652   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5653   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5654   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5655 
    5656 Thread 0x00001e5c (most recent call first):
    5657   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5658   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5659   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5660   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5661   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5662   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5663   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5664 Windows fatal exception: code 0x8001010e
    5665 
    5666 Thread 0x000004f8 (most recent call first):
    5667   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5668   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5669   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5670   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5671 
    5672 Thread 0x00004114 (most recent call first):
    5673   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5674   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5675   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5676   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5677 
    5678 Thread 0x00003a54 (most recent call first):
    5679   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5680   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5681   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5682   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5683   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5684   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5685   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5686 
    5687 Thread 0x0000475c (most recent call first):
    5688   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5689   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5690   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5691   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5692 
    5693 Thread 0x00001e38 (most recent call first):
    5694   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5695   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5696   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5697   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5698 
    5699 Thread 0x00004274 (most recent call first):
    5700   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5701   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5702   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5703   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5704 
    5705 Thread 0x00003a28 (most recent call first):
    5706   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5707   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5708   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5709   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5710 
    5711 Thread 0x00003138 (most recent call first):
    5712   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5713   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5714   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5715   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5716 
    5717 Thread 0x00000c54 (most recent call first):
    5718   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5719   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5720   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5721   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5722 
    5723 Thread 0x0000243c (most recent call first):
    5724   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5725   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5726   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5727   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5728 
    5729 Thread 0x00000914 (most recent call first):
    5730   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5731   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5732   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5733   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5734 
    5735 Thread 0x00001e5c (most recent call first):
    5736   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5737   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5738   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5739   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5740   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5741   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5742   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5743 Windows fatal exception: code 0x8001010e
    5744 
    5745 Thread 0x000004f8 (most recent call first):
    5746   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5747   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5748   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5749   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5750 
    5751 Thread 0x00004114 (most recent call first):
    5752   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5753   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5754   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5755   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5756 
    5757 Thread 0x00003a54 (most recent call first):
    5758   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5759   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5760   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5761   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5762   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5763   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5764   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5765 
    5766 Thread 0x0000475c (most recent call first):
    5767   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5769   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5770   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5771 
    5772 Thread 0x00001e38 (most recent call first):
    5773   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5775   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5776   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5777 
    5778 Thread 0x00004274 (most recent call first):
    5779   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5780   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5781   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5782   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5783 
    5784 Thread 0x00003a28 (most recent call first):
    5785   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5786   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5787   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5788   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5789 
    5790 Thread 0x00003138 (most recent call first):
    5791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5792   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5793   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5794   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5795 
    5796 Thread 0x00000c54 (most recent call first):
    5797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5798   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5799   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5800   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5801 
    5802 Thread 0x0000243c (most recent call first):
    5803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5805   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5806   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5807 
    5808 Thread 0x00000914 (most recent call first):
    5809   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5810   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5811   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5812   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5813 
    5814 Thread 0x00001e5c (most recent call first):
    5815   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5816   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5817   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5818   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5819   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5820   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5821   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5822 Windows fatal exception: code 0x8001010e
    5823 
    5824 Thread 0x000004f8 (most recent call first):
    5825   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5826   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5827   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5828   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5829 
    5830 Thread 0x00004114 (most recent call first):
    5831   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5832   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5833   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5834   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5835 
    5836 Thread 0x00003a54 (most recent call first):
    5837   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5838   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5839   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5840   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5841   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5842   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5843   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5844 
    5845 Thread 0x0000475c (most recent call first):
    5846   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5848   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5849   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5850 
    5851 Thread 0x00001e38 (most recent call first):
    5852   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5854   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5855   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5856 
    5857 Thread 0x00004274 (most recent call first):
    5858   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5859   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5860   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5861   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5862 
    5863 Thread 0x00003a28 (most recent call first):
    5864   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5865   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5866   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5867   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5868 
    5869 Thread 0x00003138 (most recent call first):
    5870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5871   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5872   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5873   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5874 
    5875 Thread 0x00000c54 (most recent call first):
    5876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5877   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5878   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5879   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5880 
    5881 Thread 0x0000243c (most recent call first):
    5882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5883   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5884   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5885   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5886 
    5887 Thread 0x00000914 (most recent call first):
    5888   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5889   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5890   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5891   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5892 
    5893 Thread 0x00001e5c (most recent call first):
    5894   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5895   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5896   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5897   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5898   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5899   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5900   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5901 Windows fatal exception: code 0x8001010e
    5902 
    5903 Thread 0x000004f8 (most recent call first):
    5904   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5905   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5907   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5908 
    5909 Thread 0x00004114 (most recent call first):
    5910   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5911   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5912   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5913   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5914 
    5915 Thread 0x00003a54 (most recent call first):
    5916   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5917   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5918   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5919   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5920   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5921   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5922   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5923 
    5924 Thread 0x0000475c (most recent call first):
    5925   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5927   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5928   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5929 
    5930 Thread 0x00001e38 (most recent call first):
    5931   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5933   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5934   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5935 
    5936 Thread 0x00004274 (most recent call first):
    5937   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5938   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5939   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5940   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5941 
    5942 Thread 0x00003a28 (most recent call first):
    5943   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5944   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5945   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5946   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5947 
    5948 Thread 0x00003138 (most recent call first):
    5949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5950   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5951   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5952   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5953 
    5954 Thread 0x00000c54 (most recent call first):
    5955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5957   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5958   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5959 
    5960 Thread 0x0000243c (most recent call first):
    5961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5962   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5963   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5964   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5965 
    5966 Thread 0x00000914 (most recent call first):
    5967   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    5968   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5969   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5970   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5971 
    5972 Thread 0x00001e5c (most recent call first):
    5973   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    5974   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    5975   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    5976   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    5977   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    5978   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    5979   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    5980 Windows fatal exception: code 0x8001010e
    5981 
    5982 Thread 0x000004f8 (most recent call first):
    5983   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    5984   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5985   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5986   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5987 
    5988 Thread 0x00004114 (most recent call first):
    5989   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    5990   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    5991   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    5992   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    5993 
    5994 Thread 0x00003a54 (most recent call first):
    5995   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    5996   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    5997   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    5998   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    5999   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6000   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6001   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6002 
    6003 Thread 0x0000475c (most recent call first):
    6004   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6006   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6007   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6008 
    6009 Thread 0x00001e38 (most recent call first):
    6010   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6012   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6013   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6014 
    6015 Thread 0x00004274 (most recent call first):
    6016   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6017   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6018   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6019   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6020 
    6021 Thread 0x00003a28 (most recent call first):
    6022   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6023   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6024   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6025   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6026 
    6027 Thread 0x00003138 (most recent call first):
    6028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6029   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6030   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6031   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6032 
    6033 Thread 0x00000c54 (most recent call first):
    6034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6035   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6036   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6037   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6038 
    6039 Thread 0x0000243c (most recent call first):
    6040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6041   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6042   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6043   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6044 
    6045 Thread 0x00000914 (most recent call first):
    6046   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6047   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6048   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6049   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6050 
    6051 Thread 0x00001e5c (most recent call first):
    6052   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6053   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6054   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6056   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6057   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6058   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6059 Windows fatal exception: code 0x8001010e
    6060 
    6061 Thread 0x000004f8 (most recent call first):
    6062   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6063   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6064   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6065   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6066 
    6067 Thread 0x00004114 (most recent call first):
    6068   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6069   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6070   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6071   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6072 
    6073 Thread 0x00003a54 (most recent call first):
    6074   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6075   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6076   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6077   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6079   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6080   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6081 
    6082 Thread 0x0000475c (most recent call first):
    6083   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6086   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6087 
    6088 Thread 0x00001e38 (most recent call first):
    6089   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6093 
    6094 Thread 0x00004274 (most recent call first):
    6095   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6096   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6097   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6098   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6099 
    6100 Thread 0x00003a28 (most recent call first):
    6101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6102   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6103   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6104   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6105 
    6106 Thread 0x00003138 (most recent call first):
    6107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6108   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6109   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6110   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6111 
    6112 Thread 0x00000c54 (most recent call first):
    6113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6115   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6116   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6117 
    6118 Thread 0x0000243c (most recent call first):
    6119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6120   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6121   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6123 
    6124 Thread 0x00000914 (most recent call first):
    6125   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6126   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6127   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6129 
    6130 Thread 0x00001e5c (most recent call first):
    6131   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6132   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6133   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6135   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6136   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6137   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6138 Windows fatal exception: code 0x8001010e
    6139 
    6140 Thread 0x000004f8 (most recent call first):
    6141   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6142   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6143   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6144   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6145 
    6146 Thread 0x00004114 (most recent call first):
    6147   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6148   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6149   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6150   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6151 
    6152 Thread 0x00003a54 (most recent call first):
    6153   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6154   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6155   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6156   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6158   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6159   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6160 
    6161 Thread 0x0000475c (most recent call first):
    6162   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6165   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6166 
    6167 Thread 0x00001e38 (most recent call first):
    6168   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6170   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6171   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6172 
    6173 Thread 0x00004274 (most recent call first):
    6174   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6175   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6176   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6177   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6178 
    6179 Thread 0x00003a28 (most recent call first):
    6180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6181   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6182   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6183   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6184 
    6185 Thread 0x00003138 (most recent call first):
    6186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6187   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6188   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6189   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6190 
    6191 Thread 0x00000c54 (most recent call first):
    6192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6193   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6194   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6195   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6196 
    6197 Thread 0x0000243c (most recent call first):
    6198   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6199   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6200   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6202 
    6203 Thread 0x00000914 (most recent call first):
    6204   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6205   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6206   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6208 
    6209 Thread 0x00001e5c (most recent call first):
    6210   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6211   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6212   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6214   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6215   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6216   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6217 Windows fatal exception: code 0x8001010e
    6218 
    6219 Thread 0x000004f8 (most recent call first):
    6220   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6221   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6222   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6223   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6224 
    6225 Thread 0x00004114 (most recent call first):
    6226   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6227   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6228   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6229   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6230 
    6231 Thread 0x00003a54 (most recent call first):
    6232   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6233   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6234   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6235   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6238   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6239 
    6240 Thread 0x0000475c (most recent call first):
    6241   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6243   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6244   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6245 
    6246 Thread 0x00001e38 (most recent call first):
    6247   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6249   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6250   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6251 
    6252 Thread 0x00004274 (most recent call first):
    6253   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6254   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6255   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6256   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6257 
    6258 Thread 0x00003a28 (most recent call first):
    6259   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6260   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6261   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6262   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6263 
    6264 Thread 0x00003138 (most recent call first):
    6265   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6266   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6267   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6268   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6269 
    6270 Thread 0x00000c54 (most recent call first):
    6271   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6272   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6273   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6274   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6275 
    6276 Thread 0x0000243c (most recent call first):
    6277   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6278   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6279   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6280   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6281 
    6282 Thread 0x00000914 (most recent call first):
    6283   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6284   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6285   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6286   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6287 
    6288 Thread 0x00001e5c (most recent call first):
    6289   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6290   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6291   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6292   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6293   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6294   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6295   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6296 Windows fatal exception: code 0x8001010e
    6297 
    6298 Thread 0x000004f8 (most recent call first):
    6299   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6300   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6301   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6302   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6303 
    6304 Thread 0x00004114 (most recent call first):
    6305   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6306   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6307   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6308   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6309 
    6310 Thread 0x00003a54 (most recent call first):
    6311   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6312   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6313   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6314   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6315   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6316   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6317   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6318 
    6319 Thread 0x0000475c (most recent call first):
    6320   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6321   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6322   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6323   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6324 
    6325 Thread 0x00001e38 (most recent call first):
    6326   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6327   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6328   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6329   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6330 
    6331 Thread 0x00004274 (most recent call first):
    6332   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6333   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6334   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6335   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6336 
    6337 Thread 0x00003a28 (most recent call first):
    6338   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6339   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6340   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6341   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6342 
    6343 Thread 0x00003138 (most recent call first):
    6344   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6345   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6346   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6347   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6348 
    6349 Thread 0x00000c54 (most recent call first):
    6350   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6351   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6352   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6353   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6354 
    6355 Thread 0x0000243c (most recent call first):
    6356   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6357   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6358   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6359   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6360 
    6361 Thread 0x00000914 (most recent call first):
    6362   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6363   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6364   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6365   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6366 
    6367 Thread 0x00001e5c (most recent call first):
    6368   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6369   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6370   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6371   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6372   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6373   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6374   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6375 Windows fatal exception: code 0x8001010e
    6376 
    6377 Thread 0x000004f8 (most recent call first):
    6378   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6379   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6380   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6381   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6382 
    6383 Thread 0x00004114 (most recent call first):
    6384   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6385   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6386   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6387   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6388 
    6389 Thread 0x00003a54 (most recent call first):
    6390   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6391   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6392   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6393   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6394   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6395   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6396   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6397 
    6398 Thread 0x0000475c (most recent call first):
    6399   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6400   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6401   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6402   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6403 
    6404 Thread 0x00001e38 (most recent call first):
    6405   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6406   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6407   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6408   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6409 
    6410 Thread 0x00004274 (most recent call first):
    6411   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6412   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6413   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6414   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6415 
    6416 Thread 0x00003a28 (most recent call first):
    6417   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6418   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6419   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6420   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6421 
    6422 Thread 0x00003138 (most recent call first):
    6423   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6424   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6425   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6426   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6427 
    6428 Thread 0x00000c54 (most recent call first):
    6429   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6430   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6431   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6432   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6433 
    6434 Thread 0x0000243c (most recent call first):
    6435   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6436   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6437   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6438   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6439 
    6440 Thread 0x00000914 (most recent call first):
    6441   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6442   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6443   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6444   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6445 
    6446 Thread 0x00001e5c (most recent call first):
    6447   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6448   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6449   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6450   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6451   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6452   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6453   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6454 Windows fatal exception: code 0x8001010e
    6455 
    6456 Thread 0x000004f8 (most recent call first):
    6457   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6458   File "C:\Program Files\ChWindows fatal exception: code 0x8001010e
    6459 
    6460 imWindows fatal exception: code 0x8001010e
    6461 
    6462 eWindows fatal exception: code 0xra8001010e
    6463 
    6464 X 1.Windows fatal exception: code 0x8001010e4.
    6465 
    6466 dWindows fatal exception: code 0xev8001010e
    6467 
    6468 2Windows fatal exception: code 0x028001010e
    6469 
    6470 1Windows fatal exception: code 0x8001010e
    6471 
    6472 1Windows fatal exception: code 0x1118001010e
    6473 
    6474 Windows fatal exception: Windows fatal exception: code 0xcode 0x8001010e
    6475 
    6476 8001010e
    6477 
    6478 Windows fatal exception: Windows fatal exception: code 0xcode 0x8001010e
    6479 
    6480 8001010eWindows fatal exception: code 0x
    6481 
    6482 8001010eWindows fatal exception: 10
    6483 
    6484 code 0xWindows fatal exception: 02\bi8001010e
    6485 
    6486 code 0x8001010en\
    6487 
    6488 liWindows fatal exception: code 0x8001010eb\
    6489 
    6490 tWindows fatal exception: code 0xhrea8001010e
    6491 
    6492 dWindows fatal exception: code 0xin8001010e
    6493 
    6494 gWindows fatal exception: code 0x.p8001010e
    6495 
    6496 yWindows fatal exception: "code 0x8001010e
    6497 
    6498 , line 910Windows fatal exception: code 0x8001010e
    6499 
    6500  in Windows fatal exception: Windows fatal exception: code 0xrucode 0x8001010e8001010e
    6501 
    6502 
    6503 
    6504 Windows fatal exception: code 0xWindows fatal exception: n
    6505   File code 0x8001010e8001010e
    6506 
    6507 
    6508 
    6509 "Windows fatal exception: code 0xC:8001010e
    6510 
    6511 \PWindows fatal exception: rocode 0x8001010egr
    6512 
    6513 aWindows fatal exception: code 0xm 8001010e
    6514 
    6515 FWindows fatal exception: code 0xil8001010e
    6516 
    6517 eWindows fatal exception: code 0xs\8001010e
    6518 
    6519 Windows fatal exception: code 0x8001010eWindows fatal exception: code 0xCh
    6520 
    6521 8001010eWindows fatal exception:
    6522 
    6523 iWindows fatal exception: code 0x8001010e
    6524 
    6525 Windows fatal exception: code 0xcode 0x8001010em
    6526 
    6527 er8001010e
    6528 
    6529 Windows fatal exception: code 0x8001010e
    6530 
    6531 aWindows fatal exception: code 0xX 18001010e
    6532 
    6533 .4Windows fatal exception: code 0x.d8001010e
    6534 
    6535 evWindows fatal exception: 2code 0x028001010e
    6536 
    6537 11Windows fatal exception: code 0x118001010e
    6538 
    6539 1Windows fatal exception: code 0x108001010e
    6540 
    6541 0Windows fatal exception: code 0x2\8001010e
    6542 
    6543 bWindows fatal exception: code 0xin\lib\8001010e
    6544 
    6545 thrWindows fatal exception: eacode 0x8001010edi
    6546 
    6547 ng.py", line 973 in _bootstrap_inner
    6548   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6549 
    6550 Thread 0x00004114 (most recent call first):
    6551   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6552   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6553   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6554   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6555 
    6556 Thread 0x00003a54 (most recent call first):
    6557   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6558   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6559   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6560   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6561   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6562   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6563   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6564 
    6565 Thread 0x0000475c (most recent call first):
    6566   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6567   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6568   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6569   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6570 
    6571 Thread 0x00001e38 (most recent call first):
    6572   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6573   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6574   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6575   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6576 
    6577 Thread 0x00004274 (most recent call first):
    6578   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6579   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6580   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6581   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6582 
    6583 Thread 0x00003a28 (most recent call first):
    6584   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6585   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6586   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6587   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6588 
    6589 Thread 0x00003138 (most recent call first):
    6590   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6591   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6592   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6593   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6594 
    6595 Thread 0x00000c54 (most recent call first):
    6596   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6597   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6598   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6599   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6600 
    6601 Thread 0x0000243c (most recent call first):
    6602   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6603   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6604   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6605   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6606 
    6607 Thread 0x00000914 (most recent call first):
    6608   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6609   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6610   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6611   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6612 
    6613 Thread 0x00001e5c (most recent call first):
    6614   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6615   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6616   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6617   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6618   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6619   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6620   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6621 Windows fatal exception: code 0x8001010e
    6622 
    6623 Thread 0x000004f8 (most recent call first):
    6624   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6625   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6626   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6627   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6628 
    6629 Thread 0x00004114 (most recent call first):
    6630   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6631   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6632   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6633   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6634 
    6635 Thread 0x00003a54 (most recent call first):
    6636   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6637   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6638   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6639   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6640   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6641   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6642   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6643 
    6644 Thread 0x0000475c (most recent call first):
    6645   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6646   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6647   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6648   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6649 
    6650 Thread 0x00001e38 (most recent call first):
    6651   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6652   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6653   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6654   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6655 
    6656 Thread 0x00004274 (most recent call first):
    6657   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6658   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6659   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6660   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6661 
    6662 Thread 0x00003a28 (most recent call first):
    6663   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6664   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6665   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6666   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6667 
    6668 Thread 0x00003138 (most recent call first):
    6669   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6670   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6671   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6672   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6673 
    6674 Thread 0x00000c54 (most recent call first):
    6675   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6676   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6677   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6678   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6679 
    6680 Thread 0x0000243c (most recent call first):
    6681   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6682   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6683   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6684   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6685 
    6686 Thread 0x00000914 (most recent call first):
    6687   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6688   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6689   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6690   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6691 
    6692 Thread 0x00001e5c (most recent call first):
    6693   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6694   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6695   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6696   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6697   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6698   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6699   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6700 Windows fatal exception: code 0x8001010e
    6701 
    6702 Thread 0x000004f8 (most recent call first):
    6703   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6704   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6705   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6706   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6707 
    6708 Thread 0x00004114 (most recent call first):
    6709   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6710   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6711   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6712   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6713 
    6714 Thread 0x00003a54 (most recent call first):
    6715   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6716   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6717   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6718   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6719   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6720   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6721   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6722 
    6723 Thread 0x0000475c (most recent call first):
    6724   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6725   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6726   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6727   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6728 
    6729 Thread 0x00001e38 (most recent call first):
    6730   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6731   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6732   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6733   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6734 
    6735 Thread 0x00004274 (most recent call first):
    6736   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6737   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6738   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6739   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6740 
    6741 Thread 0x00003a28 (most recent call first):
    6742   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6743   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6744   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6745   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6746 
    6747 Thread 0x00003138 (most recent call first):
    6748   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6749   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6750   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6751   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6752 
    6753 Thread 0x00000c54 (most recent call first):
    6754   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6755   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6756   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6757   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6758 
    6759 Thread 0x0000243c (most recent call first):
    6760   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6761   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6762   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6763   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6764 
    6765 Thread 0x00000914 (most recent call first):
    6766   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6767   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6769   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6770 
    6771 Thread 0x00001e5c (most recent call first):
    6772   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6773   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6775   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6776   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6777   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6778   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6779 Windows fatal exception: code 0x8001010e
    6780 
    6781 Thread 0x000004f8 (most recent call first):
    6782   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6783   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6784   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6785   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6786 
    6787 Thread 0x00004114 (most recent call first):
    6788   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6789   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6790   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6792 
    6793 Thread 0x00003a54 (most recent call first):
    6794   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6795   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6796   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6798   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6799   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6800   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6801 
    6802 Thread 0x0000475c (most recent call first):
    6803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6805   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6806   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6807 
    6808 Thread 0x00001e38 (most recent call first):
    6809   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6810   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6811   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6812   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6813 
    6814 Thread 0x00004274 (most recent call first):
    6815   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6816   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6817   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6818   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6819 
    6820 Thread 0x00003a28 (most recent call first):
    6821   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6822   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6823   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6824   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6825 
    6826 Thread 0x00003138 (most recent call first):
    6827   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6828   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6829   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6830   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6831 
    6832 Thread 0x00000c54 (most recent call first):
    6833   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6834   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6835   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6836   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6837 
    6838 Thread 0x0000243c (most recent call first):
    6839   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6840   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6841   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6842   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6843 
    6844 Thread 0x00000914 (most recent call first):
    6845   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6846   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6847   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6848   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6849 
    6850 Thread 0x00001e5c (most recent call first):
    6851   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6852   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6853   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6854   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6855   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6856   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6857   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6858 Windows fatal exception: code 0x8001010e
    6859 
    6860 Thread 0x000004f8 (most recent call first):
    6861   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6862   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6863   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6864   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6865 
    6866 Thread 0x00004114 (most recent call first):
    6867   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6868   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6869   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6870   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6871 
    6872 Thread 0x00003a54 (most recent call first):
    6873   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6874   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6875   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6876   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6877   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6878   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6879   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6880 
    6881 Thread 0x0000475c (most recent call first):
    6882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6883   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6884   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6885   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6886 
    6887 Thread 0x00001e38 (most recent call first):
    6888   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6889   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6890   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6891   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6892 
    6893 Thread 0x00004274 (most recent call first):
    6894   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6895   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6896   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6897   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6898 
    6899 Thread 0x00003a28 (most recent call first):
    6900   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6901   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6902   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6903   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6904 
    6905 Thread 0x00003138 (most recent call first):
    6906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6907   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6908   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6909   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6910 
    6911 Thread 0x00000c54 (most recent call first):
    6912   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6913   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6914   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6915   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6916 
    6917 Thread 0x0000243c (most recent call first):
    6918   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6919   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6920   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6921   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6922 
    6923 Thread 0x00000914 (most recent call first):
    6924   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6925   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6926   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6927   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6928 
    6929 Thread 0x00001e5c (most recent call first):
    6930   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    6931   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    6932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    6933   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    6934   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    6935   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    6936   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    6937 Windows fatal exception: code 0x8001010e
    6938 
    6939 Thread 0x000004f8 (most recent call first):
    6940   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    6941   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6942   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6943   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6944 
    6945 Thread 0x00004114 (most recent call first):
    6946   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    6947   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6948   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6949   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6950 
    6951 Thread 0x00003a54 (most recent call first):
    6952   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    6953   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    6954   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    6955   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    6956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6957   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6958   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6959 
    6960 Thread 0x0000475c (most recent call first):
    6961   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6962   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6963   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6964   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6965 
    6966 Thread 0x00001e38 (most recent call first):
    6967   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6968   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6969   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6970   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6971 
    6972 Thread 0x00004274 (most recent call first):
    6973   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6974   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6975   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6976   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6977 
    6978 Thread 0x00003a28 (most recent call first):
    6979   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6980   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6981   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6982   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6983 
    6984 Thread 0x00003138 (most recent call first):
    6985   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6986   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6987   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6988   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6989 
    6990 Thread 0x00000c54 (most recent call first):
    6991   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6992   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6993   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    6994   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    6995 
    6996 Thread 0x0000243c (most recent call first):
    6997   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    6998   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    6999   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7000   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7001 
    7002 Thread 0x00000914 (most recent call first):
    7003   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7004   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7005   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7006   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7007 
    7008 Thread 0x00001e5c (most recent call first):
    7009   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7010   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7011   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7012   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7013   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7014   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7015   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7016 Windows fatal exception: code 0x8001010e
    7017 
    7018 Thread 0x000004f8 (most recent call first):
    7019   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7020   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7021   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7022   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7023 
    7024 Thread 0x00004114 (most recent call first):
    7025   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7026   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7027   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7028   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7029 
    7030 Thread 0x00003a54 (most recent call first):
    7031   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7032   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    7033   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7034   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7035   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7036   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7037   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7038 
    7039 Thread 0x0000475c (most recent call first):
    7040   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7041   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7042   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7043   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7044 
    7045 Thread 0x00001e38 (most recent call first):
    7046   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7047   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7048   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7049   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7050 
    7051 Thread 0x00004274 (most recent call first):
    7052   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7053   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7054   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7056 
    7057 Thread 0x00003a28 (most recent call first):
    7058   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7059   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7060   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7061   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7062 
    7063 Thread 0x00003138 (most recent call first):
    7064   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7065   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7066   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7067   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7068 
    7069 Thread 0x00000c54 (most recent call first):
    7070   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7071   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7072   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7073   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7074 
    7075 Thread 0x0000243c (most recent call first):
    7076   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7077   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7079   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7080 
    7081 Thread 0x00000914 (most recent call first):
    7082   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7083   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7086 
    7087 Thread 0x00001e5c (most recent call first):
    7088   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7089   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7093   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7094   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7095 Windows fatal exception: code 0x8001010e
    7096 
    7097 Thread 0x000004f8 (most recent call first):
    7098   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7099   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7100   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7102 
    7103 Thread 0x00004114 (most recent call first):
    7104   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7105   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7108 
    7109 Thread 0x00003a54 (most recent call first):
    7110   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7111   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    7112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7115   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7116   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7117 
    7118 Thread 0x0000475c (most recent call first):
    7119   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7120   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7121   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7123 
    7124 Thread 0x00001e38 (most recent call first):
    7125   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7126   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7127   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7129 
    7130 Thread 0x00004274 (most recent call first):
    7131   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7132   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7133   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7135 
    7136 Thread 0x00003a28 (most recent call first):
    7137   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7138   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7139   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7140   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7141 
    7142 Thread 0x00003138 (most recent call first):
    7143   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7144   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7145   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7146   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7147 
    7148 Thread 0x00000c54 (most recent call first):
    7149   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7150   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7151   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7152   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7153 
    7154 Thread 0x0000243c (most recent call first):
    7155   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7156   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7158   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7159 
    7160 Thread 0x00000914 (most recent call first):
    7161   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7162   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7165 
    7166 Thread 0x00001e5c (most recent call first):
    7167   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7168   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7170   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7171   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7172   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7173   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7174 Windows fatal exception: code 0x8001010e
    7175 
    7176 Thread 0x000004f8 (most recent call first):
    7177   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7178   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7179   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7181 
    7182 Thread 0x00004114 (most recent call first):
    7183   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7184   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7185   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7187 
    7188 Thread 0x00003a54 (most recent call first):
    7189   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7190   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    7191   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7193   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7194   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7195   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7196 
    7197 Thread 0x0000475c (most recent call first):
    7198   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7199   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7200   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7202 
    7203 Thread 0x00001e38 (most recent call first):
    7204   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7205   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7206   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7208 
    7209 Thread 0x00004274 (most recent call first):
    7210   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7211   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7212   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7214 
    7215 Thread 0x00003a28 (most recent call first):
    7216   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7217   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7218   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7220 
    7221 Thread 0x00003138 (most recent call first):
    7222   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7223   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7224   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7225   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7226 
    7227 Thread 0x00000c54 (most recent call first):
    7228   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7229   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7230   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7231   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7232 
    7233 Thread 0x0000243c (most recent call first):
    7234   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7235   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7238 
    7239 Thread 0x00000914 (most recent call first):
    7240   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7241   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7243   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7244 
    7245 Thread 0x00001e5c (most recent call first):
    7246   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7247   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7249   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7250   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7251   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7252   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7253 Windows fatal exception: code 0x8001010e
    7254 
    7255 Thread 0x000004f8 (most recent call first):
    7256   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7257   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7258   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7259   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7260 
    7261 Thread 0x00004114 (most recent call first):
    7262   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7263   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7264   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7265   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7266 
    7267 Thread 0x00003a54 (most recent call first):
    7268   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7269   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    7270   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7271   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7272   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7273   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7274   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7275 
    7276 Thread 0x0000475c (most recent call first):
    7277   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7278   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7279   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7280   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7281 
    7282 Thread 0x00001e38 (most recent call first):
    7283   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7284   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7285   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7286   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7287 
    7288 Thread 0x00004274 (most recent call first):
    7289   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7290   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7291   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7292   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7293 
    7294 Thread 0x00003a28 (most recent call first):
    7295   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7296   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7297   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7298   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7299 
    7300 Thread 0x00003138 (most recent call first):
    7301   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7302   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7303   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7304   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7305 
    7306 Thread 0x00000c54 (most recent call first):
    7307   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7308   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7309   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7310   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7311 
    7312 Thread 0x0000243c (most recent call first):
    7313   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7314   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7315   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7316   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7317 
    7318 Thread 0x00000914 (most recent call first):
    7319   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7320   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7321   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7322   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7323 
    7324 Thread 0x00001e5c (most recent call first):
    7325   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7326   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7327   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7328   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7329   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7330   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7331   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7332 Windows fatal exception: code 0x8001010e
    7333 
    7334 Thread 0x000004f8 (most recent call first):
    7335   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7336   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7337   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7338   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7339 
    7340 Thread 0x00004114 (most recent call first):
    7341   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    7342   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7343   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7344   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7345 
    7346 Thread 0x00003a54 (most recent call first):
    7347   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7348   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    7349   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7350   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7351   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7352   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7353   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7354 
    7355 Thread 0x0000475c (most recent call first):
    7356   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7357   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7358   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7359   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7360 
    7361 Thread 0x00001e38 (most recent call first):
    7362   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7363   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7364   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7365   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7366 
    7367 Thread 0x00004274 (most recent call first):
    7368   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7369   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7370   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7371   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7372 
    7373 Thread 0x00003a28 (most recent call first):
    7374   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7375   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7376   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7377   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7378 
    7379 Thread 0x00003138 (most recent call first):
    7380   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7381   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7382   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7383   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7384 
    7385 Thread 0x00000c54 (most recent call first):
    7386   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7387   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7388   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7389   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7390 
    7391 Thread 0x0000243c (most recent call first):
    7392   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7393   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7394   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7395   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7396 
    7397 Thread 0x00000914 (most recent call first):
    7398   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7399   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7400   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7401   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7402 
    7403 Thread 0x00001e5c (most recent call first):
    7404   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7405   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7406   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7407   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7408   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7409   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7410   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7411 Windows fatal exception: code 0x8001010e
    7412 
    7413 Thread 0x000004f8 (most recent call first):
    7414   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7415   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7416   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.pWindows fatal exception: code 0x8001010e
    7417 
    7418 y", line 973 in _bootstrap_iWindows fatal exception: code 0x8001010e
    7419 
    7420 nner
    7421   File Windows fatal exception: code 0x8001010e
    7422 
    7423 "C:Windows fatal exception: code 0x8001010e
    7424 
    7425 \ProWindows fatal exception: code 0xgram Fi8001010e
    7426 
    7427 les\ChimeraX 1.4.dev202111111002\Windows fatal exception: code 0x8001010e
    7428 
    7429 binWindows fatal exception: code 0x\lib\threading.py", line 930 in _bootstra8001010e
    7430 
    7431 p
    7432 Windows fatal exception: code 0x8001010e
    7433 Thread 0x00004114 (most recent call first):
    7434 
    7435 
    7436   File "Windows fatal exception: code 0xC8001010e:
    7437 
    7438 \PWindows fatal exception: rcode 0xo8001010eg
    7439 
    7440 rWindows fatal exception: code 0xa8001010em
    7441 
    7442  Files\ChimeraX 1.Windows fatal exception: code 0x8001010e
    7443 
    7444 4Windows fatal exception: code 0x8001010e
    7445 
    7446 .Windows fatal exception: code 0x8001010e
    7447 
    7448 dWindows fatal exception: code 0x8001010e
    7449 
    7450 eWindows fatal exception: v2code 0x8001010e
    7451 
    7452 02111111002Windows fatal exception: code 0x8001010e
    7453 
    7454 \bWindows fatal exception: code 0x8001010e
    7455 
    7456 iWindows fatal exception: code 0x8001010e
    7457 
    7458 nWindows fatal exception: code 0x8001010e
    7459 
    7460 \Windows fatal exception: code 0x8001010elib\mul
    7461 
    7462 tWindows fatal exception: code 0x8001010e
    7463 
    7464 iprocessing\pool.py", line 528 in _handle_tasks
    7465   File "C:\Program Files\ChWindows fatal exception: code 0x8001010e
    7466 
    7467 iWindows fatal exception: code 0x8001010e
    7468 
    7469 mWindows fatal exception: code 0xer8001010e
    7470 
    7471 aWindows fatal exception: code 0x8001010eWindows fatal exception: code 0x8001010e
    7472 
    7473 X Windows fatal exception: code 0x
    7474 
    7475 1.8001010e
    7476 
    7477 4Windows fatal exception: .code 0xWindows fatal exception: code 0x8001010e
    7478 
    7479 8001010eWindows fatal exception: code 0x8001010e
    7480 
    7481 dWindows fatal exception:
    7482 
    7483 eWindows fatal exception: code 0xv2028001010e
    7484 
    7485 1Windows fatal exception: code 0x8001010e
    7486 
    7487 code 0xWindows fatal exception: code 0x8001010e111
    7488 
    7489 8001010eWindows fatal exception: code 0x8001010e
    7490 
    7491 
    7492 
    7493 Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e
    7494 
    7495 Windows fatal exception: Windows fatal exception: code 0x8001010e
    7496 
    7497 8001010eWindows fatal exception: code 0x8001010e
    7498 
    7499 code 0xWindows fatal exception: code 0x8001010e8001010e
    7500 
    7501 110
    7502 
    7503 
    7504 
    7505 Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e02\
    7506 
    7507 8001010e
    7508 
    7509 Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e
    7510 
    7511 8001010eWindows fatal exception: bi
    7512 
    7513 code 0xWindows fatal exception: code 0x8001010e
    7514 
    7515 n\lWindows fatal exception: code 0x8001010e
    7516 
    7517 ib8001010e
    7518 
    7519 \tWindows fatal exception: hcode 0xr8001010ee
    7520 
    7521 aWindows fatal exception: code 0xd8001010ei
    7522 
    7523 Windows fatal exception: Windows fatal exception: ngcode 0x8001010ecode 0x8001010e.
    7524 
    7525 pyWindows fatal exception: ", line
    7526 
    7527 code 0xWindows fatal exception: code 0x8001010e
    7528 
    7529 Windows fatal exception: code 0x910 in 8001010e
    7530 
    7531 8001010e
    7532 
    7533 Windows fatal exception: code 0xruWindows fatal exception: code 0x8001010e
    7534 
    7535 nWindows fatal exception: 8001010e
    7536 
    7537 
    7538   File code 0x8001010e"
    7539 
    7540 C:Windows fatal exception: code 0x\P8001010e
    7541 
    7542 rWindows fatal exception: code 0xo8001010e
    7543 
    7544 gWindows fatal exception: rcode 0xa8001010em
    7545 
    7546  Windows fatal exception: Fcode 0xi8001010eleWindows fatal exception: code 0x
    7547 
    7548 sWindows fatal exception: code 0x8001010e
    7549 
    7550 \Windows fatal exception: code 0x8001010e
    7551 
    7552 8001010eWindows fatal exception: code 0x8001010e
    7553 
    7554 Chi
    7555 
    7556 meWindows fatal exception: code 0xraX8001010e
    7557 
    7558  Windows fatal exception: code 0x18001010e.
    7559 
    7560 4Windows fatal exception: code 0x.d8001010e
    7561 
    7562 eWindows fatal exception: code 0xv8001010e2
    7563 
    7564 0Windows fatal exception: code 0x218001010e
    7565 
    7566 1Windows fatal exception: code 0x18001010e1
    7567 
    7568 11Windows fatal exception: code 0x08001010e0
    7569 
    7570 2Windows fatal exception: code 0x\b8001010ei
    7571 
    7572 n\Windows fatal exception: code 0xli8001010e
    7573 
    7574 b\Windows fatal exception: Windows fatal exception: code 0x8001010e
    7575 
    7576 code 0xWindows fatal exception: code 0x8001010e
    7577 
    7578 tWindows fatal exception: 8001010e
    7579 
    7580 code 0x8001010e
    7581 
    7582 hWindows fatal exception: code 0x8001010e
    7583 
    7584 rWindows fatal exception: code 0x8001010e
    7585 
    7586 eWindows fatal exception: code 0x8001010e
    7587 
    7588 aWindows fatal exception: code 0xdi8001010e
    7589 
    7590 nWindows fatal exception: code 0x8001010e
    7591 
    7592 gWindows fatal exception: code 0x.py8001010e
    7593 
    7594 "Windows fatal exception: code 0x8001010e
    7595 
    7596 , line 973 in _bootstrap_inner
    7597   File "CWindows fatal exception: code 0x8001010e
    7598 
    7599 :\ProWindows fatal exception: code 0x8001010e
    7600 
    7601 grWindows fatal exception: code 0xam Fil8001010e
    7602 
    7603 es\Windows fatal exception: code 0x8001010e
    7604 
    7605 ChWindows fatal exception: code 0x8001010e
    7606 
    7607 iWindows fatal exception: code 0xmeraX 1.4.dev28001010e
    7608 
    7609 02Windows fatal exception: code 0x8001010e
    7610 
    7611 1Windows fatal exception: code 0x118001010e
    7612 
    7613 11Windows fatal exception: code 0x8001010e
    7614 
    7615 1Windows fatal exception: code 0x8001010e
    7616 
    7617 0Windows fatal exception: code 0x02\bin\lib8001010e
    7618 
    7619 \Windows fatal exception: code 0xthreading8001010e
    7620 
    7621 .py", line 930 in _bootstrap
    7622 
    7623 Thread 0x00003a54 (most recent call first):
    7624   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7625   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    7626   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7627   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    7628   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7629   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7630   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7631 
    7632 Thread 0x0000475c (most recent call first):
    7633   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7634   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7635   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7636   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7637 
    7638 Thread 0x00001e38 (most recent call first):
    7639   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in Windows fatal exception: code 0x8001010e
    7640 
    7641 worWindows fatal exception: code 0xke8001010e
    7642 
    7643 r
    7644   File Windows fatal exception: code 0x8001010e"C
    7645 
    7646 :\Windows fatal exception: code 0x8001010ePr
    7647 
    7648 ogWindows fatal exception: code 0xra8001010e
    7649 
    7650 m FWindows fatal exception: code 0xil8001010e
    7651 
    7652 esWindows fatal exception: code 0x\C8001010e
    7653 
    7654 hiWindows fatal exception: code 0xme8001010e
    7655 
    7656 rWindows fatal exception: code 0x8001010e
    7657 
    7658 aWindows fatal exception: code 0x8001010e
    7659 
    7660 XWindows fatal exception: code 0x8001010e 1.4.d
    7661 
    7662 ev202111111002\bin\lib\threadinWindows fatal exception: code 0x8001010e
    7663 
    7664 Windows fatal exception: code 0xg.p8001010e
    7665 
    7666 y", line 910 in Windows fatal exception: code 0x8001010e
    7667 
    7668 rWindows fatal exception: code 0x8001010e
    7669 
    7670 uWindows fatal exception: code 0xn
    7671   File "C8001010e:\Pr
    7672 
    7673 ogrWindows fatal exception: code 0x8001010eam F
    7674 
    7675 ilWindows fatal exception: code 0xes8001010e
    7676 
    7677 \Windows fatal exception: code 0xCh8001010e
    7678 
    7679 imerWindows fatal exception: code 0xaX8001010e
    7680 
    7681  Windows fatal exception: code 0x1.8001010e
    7682 
    7683 4.Windows fatal exception: code 0xd8001010ee
    7684 
    7685 v202111111002\bin\lib\threadiWindows fatal exception: code 0xng8001010e
    7686 
    7687 .Windows fatal exception: code 0xpy8001010e
    7688 
    7689 ", line Windows fatal exception: code 0x9738001010e in _
    7690 
    7691 bWindows fatal exception: code 0x8001010eoo
    7692 
    7693 tsWindows fatal exception: trcode 0x8001010eap
    7694 
    7695 _Windows fatal exception: code 0x8001010e
    7696 
    7697 iWindows fatal exception: code 0xnn8001010e
    7698 
    7699 eWindows fatal exception: code 0xr
    7700 8001010e
    7701 
    7702   File Windows fatal exception: "Ccode 0x8001010e:\
    7703 
    7704 PrWindows fatal exception: code 0xog8001010e
    7705 
    7706 ram Windows fatal exception: code 0xFi8001010el
    7707 
    7708 es\ChimWindows fatal exception: code 0xer8001010e
    7709 
    7710 aXWindows fatal exception: code 0x 18001010e
    7711 
    7712 .Windows fatal exception: 4.code 0x8001010ede
    7713 
    7714 vWindows fatal exception: code 0x8001010e
    7715 
    7716 2Windows fatal exception: code 0x02111111002\bin\l8001010e
    7717 
    7718 iWindows fatal exception: code 0x8001010eb\
    7719 
    7720 thWindows fatal exception: code 0x8001010e
    7721 
    7722 reaWindows fatal exception: code 0x8001010e
    7723 
    7724 ding.pWindows fatal exception: code 0x8001010e
    7725 
    7726 y"Windows fatal exception: code 0x8001010e
    7727 
    7728 , line Windows fatal exception: code 0x930 in 8001010e
    7729 
    7730 _bootstrap
    7731 
    7732 Thread 0x00004274 (most recent call first):
    7733   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multWindows fatal exception: code 0xip8001010e
    7734 
    7735 roceWindows fatal exception: sscode 0xi8001010en
    7736 
    7737 g\Windows fatal exception: code 0xp8001010eo
    7738 
    7739 olWindows fatal exception: code 0x8001010e.p
    7740 
    7741 yWindows fatal exception: ", line code 0x8001010e114 in
    7742 
    7743 wWindows fatal exception: code 0xork8001010e
    7744 
    7745 erWindows fatal exception: code 0x
    7746 8001010e  File "C
    7747 
    7748 :\ProgWindows fatal exception: code 0xram 8001010e
    7749 
    7750 FileWindows fatal exception: code 0x8001010e
    7751 
    7752 s\ChimeraWindows fatal exception: code 0x8001010e
    7753 
    7754 X 1Windows fatal exception: code 0x8001010e
    7755 
    7756 .4.dev202111111002\bin\lib\threading.py", line 910 in run
    7757   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7758   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7759 
    7760 Thread 0x00003a28 (most recent call first):
    7761   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7762   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7763   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7764   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7765 
    7766 Thread 0x00003138 (most recent call first):
    7767   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7768   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7769   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7770   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7771 
    7772 Thread 0x00000c54 (most recent call first):
    7773   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7774   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7775   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7776   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7777 
    7778 Thread 0x0000243c (most recent call first):
    7779   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7780   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7781   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7782   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7783 
    7784 Thread 0x00000914 (most recent call first):
    7785   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7786   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7787   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7788   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7789 
    7790 Thread 0x00001e5c (most recent call first):
    7791   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    7792   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    7793   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    7794   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    7795   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    7796   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    7797   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    7798 Windows fatal exception: code 0x8001010e
    7799 
    7800 Thread 0x000004f8 (most recent call first):
    7801   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    7802   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7803   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7804   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    7805 
    7806 Thread 0x00004114 (most recent call first):
    7807   File "C:\Program Files\ChWindows fatal exception: code 0x8001010e
    7808 
    7809 Windows fatal exception: imcode 0x8001010eer
    7810 
    7811 aWindows fatal exception: code 0xX 8001010e
    7812 
    7813 1Windows fatal exception: .code 0x48001010e.
    7814 
    7815 dWindows fatal exception: code 0xev8001010e
    7816 
    7817 2Windows fatal exception: 0code 0x8001010e21
    7818 
    7819 1Windows fatal exception: 1code 0x118001010e
    7820 
    7821 1Windows fatal exception: 0code 0x08001010e2\
    7822 
    7823 bWindows fatal exception: code 0xin8001010e
    7824 
    7825 \Windows fatal exception: code 0xli8001010eb
    7826 
    7827 \Windows fatal exception: mcode 0xu8001010el
    7828 
    7829 tiprocessing\pool.py", line 528 in _handle_tasks
    7830   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    7831   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7832   File "C:\PrWindows fatal exception: code 0xogram8001010e
    7833 
    7834  FWindows fatal exception: code 0xil8001010e
    7835 
    7836 es\Windows fatal exception: code 0xCh8001010e
    7837 
    7838 imWindows fatal exception: code 0xeraX 8001010e
    7839 
    7840 1Windows fatal exception: .code 0x48001010e.
    7841 
    7842 dWindows fatal exception: ecode 0x8001010e
    7843 
    7844 Windows fatal exception: code 0xv28001010e
    7845 
    7846 02Windows fatal exception: code 0x118001010e
    7847 
    7848 11Windows fatal exception: code 0x118001010e
    7849 
    7850 00Windows fatal exception: code 0x8001010e
    7851 
    7852 2Windows fatal exception: code 0x\bin8001010e
    7853 
    7854 \lib\threading.py", line 930 in _bootstrap
    7855 
    7856 Thread 0x00003a54 (most recent call first):
    7857   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    7858   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py"Windows fatal exception: code 0x8001010e
    7859 
    7860 , line 884Windows fatal exception: code 0x8001010e
    7861 
    7862  in wWindows fatal exception: code 0xai8001010e
    7863 
    7864 t
    7865 Windows fatal exception: code 0x  File "8001010e
    7866 
    7867 C:Windows fatal exception: code 0x\P8001010e
    7868 
    7869 Windows fatal exception: code 0x8001010erogram
    7870 
    7871 Windows fatal exception: code 0x8001010e
    7872 
    7873 FWindows fatal exception: icode 0xl8001010ee
    7874 
    7875 sWindows fatal exception: \code 0xC8001010eh
    7876 
    7877 iWindows fatal exception: mcode 0xe8001010er
    7878 
    7879 aWindows fatal exception: code 0xX 8001010e
    7880 
    7881 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    7882   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _hWindows fatal exception: code 0xandle_wor8001010e
    7883 
    7884 keWindows fatal exception: code 0xr8001010es
    7885 
    7886 
    7887 Windows fatal exception:   File code 0x"8001010eC:
    7888 
    7889 \Windows fatal exception: Pcode 0xr8001010eo
    7890 
    7891 gWindows fatal exception: rcode 0xa8001010em
    7892 
    7893 FWindows fatal exception: code 0xil8001010e
    7894 
    7895 eWindows fatal exception: scode 0x\8001010eC
    7896 
    7897 hWindows fatal exception: icode 0xm8001010e
    7898 
    7899 eWindows fatal exception: rcode 0xa8001010eX
    7900 
    7901  Windows fatal exception: 1code 0x.8001010e4
    7902 
    7903 .Windows fatal exception: dcode 0xe8001010ev2
    7904 
    7905 02111111002\bin\lib\threading.py", line 910 in run
    7906   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_innWindows fatal exception: code 0xer8001010e
    7907 
    7908 
    7909   File Windows fatal exception: "code 0xC8001010e
    7910 
    7911 Windows fatal exception: code 0x:\Progr8001010e
    7912 
    7913 Windows fatal exception: code 0xam8001010e
    7914 
    7915  Windows fatal exception: code 0xFi8001010e
    7916 
    7917 lWindows fatal exception: ecode 0xs\8001010e
    7918 
    7919 CWindows fatal exception: hicode 0x8001010eme
    7920 
    7921 rWindows fatal exception: code 0x8001010e
    7922 
    7923 Windows fatal exception: code 0x8001010eaX 1.4.
    7924 
    7925 deWindows fatal exception: code 0xv28001010e
    7926 
    7927 0211Windows fatal exception: code 0x8001010e
    7928 
    7929 1111002\bin\lib\threading.py", line 930 in _bootstrap
    7930 
    7931 Thread 0x0000475c (most recent call first):
    7932   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7933   File "C:\ProgrWindows fatal exception: code 0xam8001010e
    7934 
    7935 FilWindows fatal exception: code 0xes\8001010e
    7936 
    7937 Windows fatal exception: Chimercode 0x8001010eaX
    7938 
    7939  1Windows fatal exception: code 0x.48001010e
    7940 
    7941 Windows fatal exception: .dcode 0x8001010eev
    7942 
    7943 20Windows fatal exception: code 0x218001010e
    7944 
    7945 1Windows fatal exception: 1code 0x18001010e
    7946 
    7947 1Windows fatal exception: 1code 0x08001010e0
    7948 
    7949 2Windows fatal exception: code 0x\b8001010e
    7950 
    7951 inWindows fatal exception: code 0x\li8001010e
    7952 
    7953 b\thWindows fatal exception: code 0x8001010ere
    7954 
    7955 ading.py", line 910 in run
    7956   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    7957   File "C:\Program Files\ChimeraX 1.4.dev20Windows fatal exception: code 0x8001010e
    7958 
    7959 Windows fatal exception: 21code 0x8001010e11
    7960 
    7961 1Windows fatal exception: code 0x118001010e
    7962 
    7963 0Windows fatal exception: 0code 0x28001010e\
    7964 
    7965 bWindows fatal exception: icode 0xn8001010e
    7966 
    7967 \Windows fatal exception: code 0xli8001010e
    7968 
    7969 bWindows fatal exception: code 0x\t8001010e
    7970 
    7971 hWindows fatal exception: rcode 0x8001010eea
    7972 
    7973 dWindows fatal exception: code 0xin8001010e
    7974 
    7975 gWindows fatal exception: code 0x.p8001010e
    7976 
    7977 yWindows fatal exception: "code 0x, line 8001010e
    7978 
    7979 930 in _bootstrap
    7980 
    7981 Thread 0x00001e38 (most recent call first):
    7982   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    7983   File "C:\Program Files\ChimeraX 1.4.devWindows fatal exception: code 0x208001010e
    7984 
    7985 21Windows fatal exception: code 0x118001010e
    7986 
    7987 1Windows fatal exception: code 0x1108001010e
    7988 
    7989 0Windows fatal exception: code 0x8001010e
    7990 
    7991 2\Windows fatal exception: code 0xbi8001010e
    7992 
    7993 n\Windows fatal exception: code 0xli8001010e
    7994 
    7995 b\Windows fatal exception: code 0xth8001010e
    7996 
    7997 reWindows fatal exception: acode 0xd8001010eing.
    7998 
    7999 pWindows fatal exception: ycode 0x", line 8001010e
    8000 
    8001 910Windows fatal exception:  in code 0xr8001010eu
    8002 
    8003 nWindows fatal exception:
    8004   File code 0x8001010e"C
    8005 
    8006 :\Program Files\ChimeraX 1Windows fatal exception: code 0x.48001010e
    8007 
    8008 .dWindows fatal exception: code 0xev8001010e
    8009 
    8010 2Windows fatal exception: 02code 0x8001010e11
    8011 
    8012 1Windows fatal exception: 11code 0x8001010e10
    8013 
    8014 0Windows fatal exception: code 0x8001010e
    8015 
    8016 2Windows fatal exception: code 0x\8001010e
    8017 
    8018 bWindows fatal exception: code 0xin8001010e
    8019 
    8020 \liWindows fatal exception: code 0x8001010e
    8021 
    8022 b\Windows fatal exception: code 0x8001010e
    8023 
    8024 tWindows fatal exception: code 0x8001010ehrea
    8025 
    8026 diWindows fatal exception: code 0xng.py", line 973 in 8001010e
    8027 
    8028 _bootstrap_inner
    8029   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8030 
    8031 Thread 0x00004274 (most recent call first):
    8032   File "C:\Program Files\ChWindows fatal exception: code 0x8001010eim
    8033 
    8034 erWindows fatal exception: code 0xaX8001010e
    8035 
    8036  1Windows fatal exception: .code 0x48001010e.
    8037 
    8038 dWindows fatal exception: ecode 0xv28001010e02
    8039 
    8040 11Windows fatal exception: code 0x18001010e1
    8041 
    8042 11Windows fatal exception: 0code 0x08001010e2
    8043 
    8044 \bWindows fatal exception: code 0xi8001010en
    8045 
    8046 \Windows fatal exception: code 0xli8001010e
    8047 
    8048 Windows fatal exception: code 0xb\multi8001010e
    8049 
    8050 prWindows fatal exception: code 0xoc8001010e
    8051 
    8052 eWindows fatal exception: sscode 0x8001010ein
    8053 
    8054 g\pool.py", line 114 in worker
    8055   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8056   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8057   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8058 
    8059 Thread 0x00003a28 (most recent call first):
    8060   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8061   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8062   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8063   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8064 
    8065 Thread 0x00003138 (most recent call first):
    8066   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8067   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8068   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8069   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8070 
    8071 Thread 0x00000c54 (most recent call first):
    8072   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8073   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8074   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8075   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8076 
    8077 Thread 0x0000243c (most recent call first):
    8078   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8079   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8080   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8081   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8082 
    8083 Thread 0x00000914 (most recent call first):
    8084   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8085   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8086   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8087   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8088 
    8089 Thread 0x00001e5c (most recent call first):
    8090   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8091   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8092   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    8093   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    8094   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    8095   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    8096   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    8097 Windows fatal exception: code 0x8001010e
    8098 
    8099 Thread 0x000004f8 (most recent call first):
    8100   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    8101   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8102   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8103   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8104 
    8105 Thread 0x00004114 (most recent call first):
    8106   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    8107   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8108   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8109   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8110 
    8111 Thread 0x00003a54 (most recent call first):
    8112   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    8113   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    8114   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    8115   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    8116   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8117   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8118   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8119 
    8120 Thread 0x0000475c (most recent call first):
    8121   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8122   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8123   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8124   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8125 
    8126 Thread 0x00001e38 (most recent call first):
    8127   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8128   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8129   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8130   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8131 
    8132 Thread 0x00004274 (most recent call first):
    8133   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8134   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8135   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8136   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8137 
    8138 Thread 0x00003a28 (most recent call first):
    8139   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8140   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8141   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8142   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8143 
    8144 Thread 0x00003138 (most recent call first):
    8145   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8146   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8147   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8148   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8149 
    8150 Thread 0x00000c54 (most recent call first):
    8151   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8152   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8153   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8154   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8155 
    8156 Thread 0x0000243c (most recent call first):
    8157   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8158   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8159   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8160   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8161 
    8162 Thread 0x00000914 (most recent call first):
    8163   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8164   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8165   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8166   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8167 
    8168 Thread 0x00001e5c (most recent call first):
    8169   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8170   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8171   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    8172   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    8173   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    8174   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    8175   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    8176 Windows fatal exception: code 0x8001010e
    8177 
    8178 Thread 0x000004f8 (most recent call first):
    8179   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    8180   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8181   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8182   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8183 
    8184 Thread 0x00004114 (most recent call first):
    8185   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    8186   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8187   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8188   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8189 
    8190 Thread 0x00003a54 (most recent call first):
    8191   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    8192   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\connection.py", line 884 in wait
    8193   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    8194   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    8195   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8196   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8197   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8198 
    8199 Thread 0x0000475c (most recent call first):
    8200   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8201   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8202   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8203   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8204 
    8205 Thread 0x00001e38 (most recent call first):
    8206   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8207   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8208   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8209   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8210 
    8211 Thread 0x00004274 (most recent call first):
    8212   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8213   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8214   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8215   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8216 
    8217 Thread 0x00003a28 (most recent call first):
    8218   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8219   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8220   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8221   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8222 
    8223 Thread 0x00003138 (most recent call first):
    8224   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8225   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8226   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8227   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8228 
    8229 Thread 0x00000c54 (most recent call first):
    8230   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8231   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8232   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8233   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8234 
    8235 Thread 0x0000243c (most recent call first):
    8236   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8237   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8238   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8239   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8240 
    8241 Thread 0x00000914 (most recent call first):
    8242   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\multiprocessing\pool.py", line 114 in worker
    8243   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 910 in run
    8244   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 973 in _bootstrap_inner
    8245   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\threading.py", line 930 in _bootstrap
    8246 
    8247 Thread 0x00001e5c (most recent call first):
    8248   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    8249   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\open_command\dialog.py", line 107 in
    8250   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\chimerax\ui\gui.py", line 316 in event_loop
    8251   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    8252   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    8253   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 87 in _run_code
    8254   File "C:\Program Files\ChimeraX 1.4.dev202111111002\bin\lib\runpy.py", line 197 in _run_module_as_main
    8255 Windows fatal exception: code 0x8001010e
     817[deleted a bunch of this]
    8256818
    8257819Thread 0x000004f8 (most recent call first):