# help!

**URL:** <https://psychtoolbox.discourse.group/t/help/516>\
**Category:** Uncategorized\
**Created:** [March 25, 2011, 11:00pm UTC](https://psychtoolbox.discourse.group/t/help/516 "2011-03-25T23:00:19Z")\
**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:** [March 25, 2011, 11:00pm UTC](https://psychtoolbox.discourse.group/t/help/516/1 "2011-03-25T23:00:19Z")

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I don't succeed in downloading psychtoolbox... I don't understand why, I use matlab 2009 for MAC and this is the message that I receive:  
  
??? Error: File: DownloadPsychtoolbox.m Line: 1 Column: 4  
Unexpected MATLAB expression.  
  
Can somebody help me please?  
  
Thanks,  
  
Elias

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**Author:** ![dcnieho](https://avatars.discourse-cdn.com/v4/letter/d/779978/32.png) [@dcnieho](https://psychtoolbox.discourse.group/u/dcnieho)\
**Post date:** [March 26, 2011, 1:00am UTC](https://psychtoolbox.discourse.group/t/help/516/2 "2011-03-26T01:00:11Z")

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Hi Elias,

 

Something probably went wrong in downloading the install script, could you redownload it and try again?

 

And to be sure, could you paste the first line of the script (the problematic file) in your reply for us to have a look?

 

Thanks,

Dee  
  

> 

On Sat, Mar 26, 2011 at 07:00, Elias P. Casula \<[eliasc@...](mailto:eliasc@...)\> wrote:  

> I don't succeed in downloading psychtoolbox... I don't understand why, I use matlab 2009 for MAC and this is the message that I receive:  
>    
> ??? Error: File: DownloadPsychtoolbox.m Line: 1 Column: 4  
> Unexpected MATLAB expression.  
>   
> Can somebody help me please?  
>   
> Thanks,  
>   
> Elias