Registry Easy is the most popular registry cleaner. It includes many great extra features that will make it a pretty proposition as well as being a really functional and responsive software program.
Registry Error Fix is a Registry Cleaner is a utility to clean and optimize Windows registry. The registry information database is where Windows and installed programs save their settings.
Registry Cleaner scans your entire Windows registry for any invalid or obsolete entries and provides a list of the registry errors found. After that you can choose to clean list items with selection or automatically repair them all.
WinUtilities Registry Defrag can significantly speed up your computer by helping you defragment registry, remove gaps, and make it contiguous, smaller and faster to access.