i have a p4 PC 3.2 ghz with windows xp a 256 ati raedon 9250 a 80 gb hard disk two 512 ddr rams(1gb).
my pc  runs eset nod 32 antivirus but the pc restarts like crazt some times 7 to 8 times continuously i CHECKED it does not become hot i reloaded windows twice and even removed the antivirus.i play games it restarts i try to scan my pc it restarts and even just readin a doc some times it restarts today it restarted 11 times in a row like it restarts and then ask you wether u want in safe mode all that and before making the choice baaaam again..pleaqse help you are my last hope. Any error messages?

How do you know it's not an overheating problem?CHECK the event log for messages. Also, do you have another power supply that you can try?ive even CHANGED the power supply yesterday and my mom was playing luxor and it restarted .the event log is giving no such critical error.so what shoild ido guys help me out............................and its not a heating problem cause i have been monitoring the HEAT in my pc....Disable the Automatic Restart for System Failures feature - see here..

If you get a bsod please post the error message.