Genuine Registry Doctor offers your system FREE and professional diagnoses and treatments. It scans your system to identify errors and junk files and then fix them to improve PC performance. It unleashes the potential ability of your computer.

Instant Registry Cleaner is an award-winning FREE tool committed itself to cleaning, repairing and optimizing Windows registry. It helps your system defend against Windows crashes, slow performance and error messages.

A suite of tools for increasing MS Windows operating system performance. WinTools.net Pro contains tools: Clean Uninstaller, Scan Files, Scan Registry, Start Up, Tweak UI, Net Tweaker, The Privacy, File Shredder, Invisible Man. Site: www.wintools.net

Advanced Registry Clear has the intuitive interface, reliable and powerful features that allow you to scan and fix registry, cut down system crash, and speed up your PC. It's 100% free, safe and clean and brings you a safe, clean network environment.

Registry Clean Easy is a FREE reliable registry cleaning tool providing an all-in-one and quite convenient approach for PC maintenance and privacy. With it you can safely scan, clean, repair and optimize your system with only several mouse clic

Registry Cleaner Flash offers a free way to optimize your system, give protection of your personal information and remove fragments from hard drive. These can be perfectly accomplished in a flash by its solid features of scanning and fixing.

All-in-One utility to optimize, tweak, clean up Windows XP. It bundles more than 30 different utilities in one! Get access to hundreds of hidden options, clean registry and junk files, speed network, uninstall smartly and many other utilities.

System Optimize Expert is FREE software specialized in improving your system performance by fixing registry errors and optimizing system. Act as your system doctor, this reliable utility ensures the stability and smooth running of your system.

System Speed Booster offers the free scan and removal of system's obsolete registry entries and junk files, to protect your personal information and optimize the system to the best condition, with its multiple, solid features and sleek interface.

Registry Optimizer Free is quite robust in scanning registry, locating and removing current errors and potential threats, so as to speed up your system and protect your personal information, with tools of effective scan, fix and optimization.