[={TTU}=Zumbach]

I have IL 2 and when i am on multipleplayer on a server for example AAA server my game crashes i play for 30mins and then it crash , it stopped crashin for sometime but now it began to crash again
I am on vista but my a couple of friends has vista and they play a whole one hour without crashin
My pc things are VGA 8800 GTS
CPU Core2Quad
RAM 2gb
Hard disk 500GB
Motherboard Asus
Can they be my PC parts :?:
Can some give me a solution please :?: I can not play for many time