Extreme lag on opening screen/menu/game

[Chopper]

I gave up trying to get my Steam version to work. So I just got a pre-patched version and its playing normal.

I guess its a problem with steam then. I guess I'll have to get a non-steam version and see if it plays. Thanks for your help everyone.

I have a link to the one I used if you want me to PM it to you or you can add me to steam. Ill send you a PM with my name.