hi i have a problem with my PC, i play a lot of PC games on my windows XP... i have no problems playing the games after installation but in some games, after I'm done playing the game I hit "quit" or "exit to windows".Normally the computer should quit the game and go back to windows(desktop), but in my case, my computer shuts down and restarts automatically(including a "scan disk" before re-booting)... I'm concerned whether there's a problem with my PC or there's just a patch needed for this kind of problem... ANY RESPONSE WILL BE GREATLY APPRECIATED! TNX!

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