Not sure if this is computer or gaming thread, so pit gets it.

When playing Fallout 3, I'll go anywhere between 1 - 30 minutes, when all the sudden the game crashes to desktop.

I've tried turning off AA and updating to, but no luck.

any help?
Mesa Single Rectifier
Marshall 1960A vintage
Rg3exfm1 w/ EMG 85/81
Big Baby Taylor Acoustic
Ibanez TS808