When PC boots, before loading the Windows Logo, go into Safe Mode Menu (Press f8), you should get options including
[img]http://www.techwarelabs.com/guides/misc_mod/cleanupguide/images/pick-safe-mode.gif[/img]
Click on "Disable automatic restart on system failure" to stop it from rebooting.
[img]http://www.techwarelabs.com/guides/misc_mod/cleanupguide/images/pick-safe-mode.gif[/img]
Click on "Disable automatic restart on system failure" to stop it from rebooting.