help needed with my rgh

sorry if this is in the wrong place

Hi all i wonder if anyone could help me.
i got a new stealth server they other day and and i put it on my rgh and i keeped getting fatal crash everytime i tryed to go online. so i went back to my normal one which is xblse but now all i'm getting is fatal crash on that one aswell , does anyone know what the problem could be and is there a fix?

hope someone can help me