Sounds like a hard disk problem. Maybe some clusters are defective -- which is very likely, if ScanDisk keeps restarting. If you have a second hard disk, try to defrag it. If this works, your defragger is okay. Otherwise, there should be an error message to point you to the source of the problem.
Dig deeper on Server Hardware for Windows
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.