/forums/install/upgrade.php >>> Internal Server Error

[Archiseek.com]

I'm probably having an idiot moment but when i upload all the scripts
and visit /forums/install/upgrade.php, I'm getting
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.

[Archiseek.com]

sorted using

http://www.vbulletin.com/forum/bugs35.php?do=view&bugid=1768