Keeps Restarting - Reboots Again - Harddrive Dead

When I turn on my computer, it starts up like it's supposed to. Then, when it comes to the Windows XP loading page (you know, the one with the bar scrolling underneath it), it suddenly goes to a Blue Screen of Death for a straight millisecond, then reboots again. Then my computer gives me 5 options. I could load Windows at the previous settings that worked, load Windows normally, and there were three other options that involved loading Windows in safe mode. I've tried all five. All five result in the computer rebooting itself again. There was a timer below for 20 seconds for me to choose an option, so I doubt that it's a worm causing this problem.My antivirus is up-to-date and I do regular scans. I have a firewall.
It couldn't have been a power surge, because I have a power strip on the computer, and it says that it's protected. And, before all of this was happening (a few minutes before), my computer was acting normally. There wasn't anything funky going on, so I doubt that my hard drive was dead.