I need some help here. I tried shutting down my pc and it took no less than two hours till I pressed reset. On start-up, the log-on screen disappeared with a beep before I could click on anything and for almost one hour, all I could see was 'Windows is starting up'. I thought there was a problem with hdd, so I did a full scan and funny enough, I was able to boot to Windows. But when I tried to shut down, I had the same problem all over again. I tried repairing Windows XP from the original installation disk without success. Help Please! Its my main System.