Wont start, cant authenticate?

[Sarge4109]

I have installed, i can explore and auto play comes up. But when i try to start it it says "couldnt authenticate within the time limit" what is this and how to fix it???

[Moe]

Post a warnings.log please. You may be having issues with securom or your CD key.

[Sarge4109]

nm, it was just a dirty disk i guess, i cleaned it and it worked fine