i have a windows xp, and a blue screen occurred, so i restarted my computer, and it went fine upto wnidows xp loading screen, then all of a sudden the blue screen flashes for a second and my computer restarts. i tried many times to restart but it still repeats. is there a way to fix it. i dont have the windows xp installation CD, so i cant re-install windows, and ive tried safe mode, and last known good configuration thing, but nothing works. is there a way to restore xp when it boots up, like in windows 7. please help??