can't update modules but can dl and en, etc...

Hi all

Great module drush :-)

Now on GoDaddy :-)

but :-( i can't update modules because:

The external command could not be executed due to an         [error]    
application error.                                                      
The command could not be executed successfully (returned:    [error]    
Content-type: text/html                                                 
                                                                        
<br />                                                                  
<b>Parse error</b>:  syntax error, unexpected '{' in                    
<b>/drush/includes/environment.inc</b>          
on line <b>500</b><br />                                                
, code: <em class="placeholder">255</em>)                               
Update information last refreshed: Wed, 01/11/2012 - 18:02

Update status information on all installed and enabled Drupal projects:
 Name  Insta  Propo  Status                                             
       lled   sed                                                       
       versi  versi                                                     
       on     on                                                        
 Drup  7.10   7.10   Up to date                                         
 al                                                                     
 Cont  7.x-3  7.x-3  Up to date                                         
 ext   .0-be  .0-be                                                     
 (con  ta2    ta2                                                       
 text                                                                   
 )                                                                      
 Chao  7.x-1  7.x-1  Up to date                                         
 s     .0-rc  .0-rc                                                     
 tool  1      1                                                         
 s                                                                      
 (cto                                                                   
 ols)                                                                   
 View  7.x-3  7.x-3  Up to date                                         
 s     .0     .0                                                        
 (vie                                                                   
 ws)                                                                    



Could not download project status information from d/d/d     [error]
Invalid argument supplied for foreach() drush.inc:199        [warning]
No code updates available.       

Best regards
ArchGalileu