1. right click properties on My computer (can't be a shortcut) then go to system restore... turn this off.
2. Reboot your system and boot into safe mode by pressing F8 while the computer is booting up.
3. Then once in safe mode run your scans... They should be removable now.
4. If that doesn't work try installing Microsoft Anti-Spyware from here...
5. Configure the installation and repeat steps 2 and 3.