http://www.techwarelabs.com/download...on=file&id=144
Also, go to the Start menu and select Run. Type "chkdsk d: /r /x" and press ENTER.
If you find out that there are high temperatures, try to get rid of excess dust by using Endust, or any other compressed air can.
If the problem occurs again, I'd suggest promptly going to the BIOS to see system temperatures there, if you don't have MBM installed at that time.