mecotong

I had a problems to play OPF, the system reset randomly on playing OPF, sometimes 5 mins or 45 mins. and i try to updated the latest drivers for everything, (VGA, Main-board, Dreict X 8.1, Intel chips), but the problem still, have someone can help me to solve it. My PC SPECS. CPU P-4 1.7GHZ Main-board use I845 chips 512 MB SD Ram Ati Radeon 8500 vibra 128 sound card