Crysis problem

Yesturday i just got crysis =) But when i start the first mission the windows messege come up : crysis.exe has encountered a problem and i can choose if i want to report or not. This happens everytime. Ive played the demo and it works perfectly fine. I've intsalled the latest nvidia drivers.

My spec: Amd 3500+, Nvidia geforce 8600 gt 256 mb, 1gb ram and i have window xp.

Please help me!

try re-installing it

btw what settings are you running it at?

How do i play it in safemode?