motherboard: ASUS P5Q-EM
processor: intel core 2 quad Q8300
memory: 2x1gb kingston ddr2 800mhz
hdd: western digital 500gb caviar black
graphics: ati hd4650
power supply: codegen 500W
I'm running windows 7 ultimate and sometimes it crashes
I don't know if it's a hardware or software problem.I'm very