penguin

Right click on "My Computer" Select "Properties" Click the "Advanced" tab Click the "startup and Recovery" Settings button Uncheck "Automatically restart" Click "OK" on both of the open windows Try SonicStage again and when the computer crashes you should get an error instead of just restarting. Search google for the error you get after the crash. To test your RAM you can try: http://www.memtest.org/download/2.01/memte...2.01.floppy.zip (requires a floppy) http://hcidesign.com/memtest/MemTest.zip To stress test your CPU you can try: http://www.xtremesystems.com/pi/super_pi_mod-1.5.zip http://sp2004.fre3.com/sp2004exe_20060405.cab (reliable for stress testing RAM as well)