The answer below came from = http://www.5starsupport.com/xp-faq.htm
Under Startup / Shutdown
Number 5 on the list.
For some reason my computer began to start Disk Check every time I boot it up. If I do let the computer go through with the Disk Check it finds nothing wrong.
Many things can cause the disk checker to auto run. To stop it from running follow these instructions:
Go to Start>> Run: Type in: CMD and click OK.
At the resulting prompt, type in: chkntfs /d [Enter]