# PTB update error

**URL:** <https://psychtoolbox.discourse.group/t/ptb-update-error/523>\
**Category:** Uncategorized\
**Created:** [February 9, 2011, 11:04pm UTC](https://psychtoolbox.discourse.group/t/ptb-update-error/523 "2011-02-09T23:04:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Allen\_Ingling](https://avatars.discourse-cdn.com/v4/letter/a/a183cd/32.png) [@Allen\_Ingling](https://psychtoolbox.discourse.group/u/Allen_Ingling)\
**Post date:** [February 9, 2011, 11:04pm UTC](https://psychtoolbox.discourse.group/t/ptb-update-error/523/1 "2011-02-09T23:04:59Z")

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Hi,  
  
I tried running a PTB update on my Windows computer only to find that it fails and returns this error message:  
About to update your working copy of the OpenGL-based Psychtoolbox.  
Will execute the following update command:  
  
svn update "C:\toolbox\Psychtoolbox"  
svn: Can't copy 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\text-base\nc.exe.svn-base' to 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\tmp\nc.exe.tmp.tmp': The system cannot find the file specified.   
Sorry. The update command failed:  
svn: Can't copy 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\text-base\nc.exe.svn-base' to 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\tmp\nc.exe.tmp.tmp': The system cannot find the file specified.   
  
??? Error using ==\> UpdatePsychtoolbox  
Update failed.  
  
  
Do I need to obtain those files that are being referred to as being in the PsychContributed folder in the Psychtoolbox? If so, how do I obtain them?  
  
Thanks for any help!  
  
Andreas  
Department of Psychology  
University of Victoria

---

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**Author:** ![mariokleiner](https://avatars.discourse-cdn.com/v4/letter/m/13edae/32.png) [@mariokleiner](https://psychtoolbox.discourse.group/u/mariokleiner)\
**Post date:** [February 9, 2011, 11:55pm UTC](https://psychtoolbox.discourse.group/t/ptb-update-error/523/2 "2011-02-09T23:55:02Z")

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Beautiful.  
  
1. Just delete your Psychtoolbox folder and download a new copy via the DownloadPsychtoolbox function (the latest from the Wiki).  
  
2. Throw away your braindead virus scanner and ask the vendor for a refund.  
  
nc.exe was probably misclassified by the virus scanner as a virus, put into quarantine and now the .svn folder inside your ptb installation is damaged, which causes this failure.  
  
Current ptb doesn't have nc.exe anymore, we found a workaround -\> It won't happen again, because we waste our time fixing other commercial vendors !@#$@#@# problems.  
  
-mario  
  
  

> --- In [psychtoolbox@yahoogroups.com](mailto:psychtoolbox@yahoogroups.com), "Andreas" \<abreuery@...\> wrote:  
> \>  
> \> Hi,  
> \>   
> \> I tried running a PTB update on my Windows computer only to find that it fails and returns this error message:  
> \> About to update your working copy of the OpenGL-based Psychtoolbox.  
> \> Will execute the following update command:  
> \>   
> \> svn update "C:\toolbox\Psychtoolbox"  
> \> svn: Can't copy 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\text-base\nc.exe.svn-base' to 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\tmp\nc.exe.tmp.tmp': The system cannot find the file specified.   
> \> Sorry. The update command failed:  
> \> svn: Can't copy 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\text-base\nc.exe.svn-base' to 'C:\toolbox\Psychtoolbox\PsychContributed\.svn\tmp\nc.exe.tmp.tmp': The system cannot find the file specified.   
> \>   
> \> ??? Error using ==\> UpdatePsychtoolbox  
> \> Update failed.  
> \>   
> \>   
> \> Do I need to obtain those files that are being referred to as being in the PsychContributed folder in the Psychtoolbox? If so, how do I obtain them?  
> \>   
> \> Thanks for any help!  
> \>   
> \> Andreas  
> \> Department of Psychology  
> \> University of Victoria  
> \>