Hi Mark,

PyMOL Session files store their settings. So, if you're running PyMOL
on a powerful desktop machine that has OpenGL shader-based technology
and then save that file, the high-performance graphics settings will
be saved. If you then try to open that session file on a low-end
laptop, say, when PyMOL tries to restore those high-end settings it
might crash because the computer isn't capable of handling those
settings.

We are working on making it such that PyMOL will override those stored
settings if your machine cannot handle them.

Before saving the session file, please try setting:
  set use_shaders, 0
  set sphere_mode, 0

That session file should be able to load anywhere.

Cheers,

-- Jason

On Fri, Nov 2, 2012 at 4:14 PM, Mark Bostock <mjb...@cam.ac.uk> wrote:
> I have pymol 1.5 installed on windows 7 (32 bit). The install works fine
> with .pdb files, however if I try to open a session file (.pse) created
> on another machine (windows xp, also running pymol 1.5) the software
> crashes; there are no error messages in the pymol command line. The
> programme just freezes (after attempting to resize the display) and then
> windows tries to 'fix' the problem before the software crashes. Does
> anyone have any experience of this issue. I've tried a complete
> uninstall and reinstall but to no success.
>
> Many thanks,
>
> Mark
>
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-- 
Jason Vertrees, PhD
PyMOL Product Manager
Schrödinger, Inc.

(e) jason.vertr...@schrodinger.com
(o) +1 (603) 374-7120

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