RegVac is a System Registry cleaner consisting of 8 different tools to clean the registry of unneeded entries and stashes. Robo Vac is a bonus tool that with one click of the button cleans up to four sections: Classes, Software, Stash, and File Lists. Robo Scrubber can be set up to run on startup daily, weekly, bi-weekly, or monthly.

Limitations: 30-day trial.