I have a HTTP Error 500.0 - Internal Server Error

Hi
I have a HTTP Error 500.0 - Internal Server Error
C:\Program Files (x86)\Parallels\Plesk\Additional\PleskPHP54\php-cgi.exe - The FastCGI process exited unexpectedly issue happening on my site ( http://www.lesconcierges.in ) and my server guy keeps telling me its my plugins : the plugins i have all are WPMU : please HELPPPP!! :slight_smile: