http://www.sevenforums.com/system-security/292443-microsoft-security-essentials-problem-4.html

USE FRST.EXE or FRST64.EXE
Copy MSE-Fixlist.txt to fixlist.txt and put in same directory as FRST. Be sure to copy as file gets deleted.
Run FRST and click FIX
After finished Reboot. Reparse Junction Points will be fixed.