XP Registry Cleaner($19.95)

XP Registry Cleaner scans the Windows registry and finds incorrect or obsolete information in the registry. By fixing these obsolete information in Windows registry, your system will run faster and error free. The backup/restore function of the tool let you backup your whole Windows Registry so you can use it to restore the registry to the current status in case you encounter some system failure.

XP Startup Cleaner($19.95)

XP Startup Cleaner&Autorun Manager helps you to easily manage program execution at windows startup.