Plesk 9.5.1 Internal Server Error

[MiguelT]

My datacenter installed Plesk 9.5.1 on Centos 5.4 but after login nothing appears in Firefox but in IE we get the next error "Internal Server Error" what could be the done in order to fix it?

Thanks for your help

Miguel

 

[MiguelT]

Problem solved, Stephen at SL helped me