Error calling glClear on status bar: invalid enumerant

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Windows-7-6.1.7601-SP1
ChimeraX Version: 0.7 (2018-08-07)
Description
(Describe the actions that caused this problem to occur here)

Log:
Startup Messages  
---  
note | available bundle cache has not been initialized yet  
  
UCSF ChimeraX version: 0.7 (2018-08-07)  
OpenGL version: 3.3.0 - Build 20.19.15.4454  
OpenGL renderer: Intel(R) HD Graphics 520  
OpenGL vendor: Intel  
How to cite UCSF ChimeraX  

help help:quickstart

Traceback (most recent call last):  
  File "D:\Program Files\ChimeraX-0.7\bin\lib\site-
packages\chimerax\ui\statusbar.py", line 77, in _expose_event  
    self.status('', 'black', False)  
  File "D:\Program Files\ChimeraX-0.7\bin\lib\site-
packages\chimerax\ui\statusbar.py", line 115, in status  
    r.draw_background()  
  File "D:\Program Files\ChimeraX-0.7\bin\lib\site-
packages\chimerax\core\graphics\opengl.py", line 1013, in draw_background  
    GL.glClear(flags)  
  File "zr\accelerate\src\errorchecker.pyx", line 53, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
(src\errorchecker.c:1270)  
OpenGL.error.GLError: GLError(  
 err = 1280,  
 description = b'invalid enumerant',  
 baseOperation = glClear,  
 cArguments = (16640,)  
)  
  

OpenGL.error.GLError: GLError(  
err = 1280,  
description = b'invalid enumerant',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "zr\accelerate\src\errorchecker.pyx", line 53, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
(src\errorchecker.c:1270)  
  
See log for complete Python traceback.  
  
If you wish to report this error, send mail to chimerax-bugs@cgl.ucsf.edu and
describe what you were doing and include a copy of the contents of the log.
Don't include any data you wish to remain private since a publicly viewable
bug report will be created.  




OpenGL version: 3.3.0 - Build 20.19.15.4454
OpenGL renderer: Intel(R) HD Graphics 520
OpenGL vendor: Intel

[Tom Goddard]

We don't support Windows 7. The error says it is a graphics driver problem which is likely true.