Get a free PC safety scan

Windows Live OneCare safety scanner is a free service designed to help ensure the health of your PC.

• Check for and remove viruses
• Get rid of junk on your hard disk
• Improve your PC's performance

Ran a full scan in a Virtual PC and it mainly found registry problems. Ran the fixes and really can't tell anything - which I expect from the registry problems tools like this find.

Link:
http://onecare.live.com/site/en-us/default.htm