WinUtilities Pro is a collection of more than 20 tools which helps you to optimize the performance of your PC. The features like One-Click maintenance will fix the issues related to junk files and registry entries.
Registry Cleaner/Defragment - remove unwanted registry entries and defragment
BHO (browser Helper Objects, such as toolbars etc.) remover
and many others.
A free version of WinUtilities is available which have limitations. WinUtilities Pro will costs you $29.95, and you can get this software for free just today from here