From: John Stone (
Date: Mon Aug 17 2015 - 09:48:46 CDT

  This sounds to me like another variation of the same
MacOS X Yosemite problems some other people have seen after
certain 10.10.x software updates on particular Mac hardware:

I have posted a couple of times about the following workaround:

A short-term workaround for the MacOS X Yosemite 10.10.x update problems that
have recently cropped up on certain varieties of Mac laptops.

The solution is to set an environment variable to tell VMD not to
use the MacOS-provided file browser window, and to instead use the
FLTK-based file chooser. This is done by setting the environment variable
"VMDFILECHOOSER" to the value "FLTK". This can be done in VMD itself
in the text console, in the user's .vmdrc file, in the global .vmdrc
file in the bundle, or by setting the environment variable in the
user's Unix shell .bashrc, etc.

To set the variable in VMD or .vmdrc etc, run this command:

To set the variable in bash, add this to .bashrc etc:

After the environment variable is set, VMD will use the alternative
file selector window in the graphical interface, and this should prevent
the problems you've been encountering.

Let me know if the workaround is successful for you.

  John Stone

On Thu, Aug 13, 2015 at 09:17:10AM +0200, Beat Meier wrote:
> Dear all
> I have a seemingly legal pdb file that, upon load, freezes vmd 1.9.2 (and 1.9.1). The structure display remains at the start page with vmd logo. If I load this structure as a second one, while successfully displaying another structure, the display freezes. Other users with almost the same MacOS (10.10.2) can wofrk successfully with the pdb.
> Any ideas?
> Beat

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