I just installed Psychtoolbox-3 and when I tried to open a window using the screen command I got the following error

Invalid MEX-file
'C:\toolbox\Psychtoolbox\PsychBasic\MatlabWindowsFilesR2007a\Screen.mexw32':
This application has failed to start because the application configuration
is incorrect. Reinstalling the application may fix this problem.

I don't really know what this means or how i would go about just reinstalling the screen application.
Any help would be greatly appreciated!

I have the same problem. Is it due to Matlab or Psychtoolbox?


"Kate Minogue" <kminogue86@gmail.com> wrote in message <htj1rg$7hu$1@fred.mathworks.com>...
> I just installed Psychtoolbox-3 and when I tried to open a window using the screen command I got the following error
> 
> Invalid MEX-file
> 'C:\toolbox\Psychtoolbox\PsychBasic\MatlabWindowsFilesR2007a\Screen.mexw32':
> This application has failed to start because the application configuration
> is incorrect. Reinstalling the application may fix this problem.
> 
> I don't really know what this means or how i would go about just reinstalling the screen application.
> Any help would be greatly appreciated!

I'm not really sure, I never had this kind of error when I  used other Matlab add-ons, i thought maybe it was a problem with the download?

"Lisa Min" <hongxumin@gmail.com> wrote in message <htl7vt$1et$1@fred.mathworks.com>...
> I have the same problem. Is it due to Matlab or Psychtoolbox?
> 
> 
> "Kate Minogue" <kminogue86@gmail.com> wrote in message <htj1rg$7hu$1@fred.mathworks.com>...
> > I just installed Psychtoolbox-3 and when I tried to open a window using the screen command I got the following error
> > 
> > Invalid MEX-file
> > 'C:\toolbox\Psychtoolbox\PsychBasic\MatlabWindowsFilesR2007a\Screen.mexw32':
> > This application has failed to start because the application configuration
> > is incorrect. Reinstalling the application may fix this problem.
> > 
> > I don't really know what this means or how i would go about just reinstalling the screen application.
> > Any help would be greatly appreciated!

Kate & Lisa,

please just run UpdatePsychtoolbox again. I made some changes and the installation should abort with an error message pointing you to a download location on Microsoft's website. You need to install/update a file from there, and follow the given instructions. It's basically a Windows problem due to Microsofts dumb design of their runtime libraries.

Oh and Psychtoolbox has its own user forum which you should use instead of this forum. I only stumbled across your messages by accident, usually no one will notice if you post ptb related problems here. This is the URL:

<http://tech.groups.yahoo.com/group/psychtoolbox/>

Please report back on our forum if it worked out for you. So far i don't have feedback from users if the fix works.

best,
-mario
(Maintainer of Psychtoolbox-3)

"Kate Minogue" <kminogue86@gmail.com> wrote in message <htldgl$6bd$1@fred.mathworks.com>...
> I'm not really sure, I never had this kind of error when I  used other Matlab add-ons, i thought maybe it was a problem with the download?
> 
> "Lisa Min" <hongxumin@gmail.com> wrote in message <htl7vt$1et$1@fred.mathworks.com>...
> > I have the same problem. Is it due to Matlab or Psychtoolbox?
> > 
> > 
> > "Kate Minogue" <kminogue86@gmail.com> wrote in message <htj1rg$7hu$1@fred.mathworks.com>...
> > > I just installed Psychtoolbox-3 and when I tried to open a window using the screen command I got the following error
> > > 
> > > Invalid MEX-file
> > > 'C:\toolbox\Psychtoolbox\PsychBasic\MatlabWindowsFilesR2007a\Screen.mexw32':
> > > This application has failed to start because the application configuration
> > > is incorrect. Reinstalling the application may fix this problem.
> > > 
> > > I don't really know what this means or how i would go about just reinstalling the screen application.
> > > Any help would be greatly appreciated!