Autoruns - See what programs are configured to startup automatically when your system boots and you login.
Hirens BootCD - Hirens BootCD is a powerful, all-in-one boot disk utility that will help you resolve and make reformatting your computer easily.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to:
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Active@ Boot Disk - System can't start normally? Easy way to access you data and repair your PC!