in first sry for my bad english.
i have a Brand New Windows server 2012 With Plesk .
(just change the upload and Post max size )
Set up Forum no Problem but when i want Install or Deinstall anything then stop the Prozess in the
Error say just :
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
But i have nothing in the server log ???
and i have make the latest update from xenforo .
Rebuild not work same error .