Just try it ! You find the TweakNow PowerPack 2011 is the fastest and the most reliable registry cleaner and tweaking program available today.

Cleanersoft Free Registry Fix
Registry errors accumulate in your PC and cause system errors. Free Registry Fix will optimize your system registry by finding and removing errors and invalid entries. After fixing the invalid entries, your system will be more stable and run faster.

Registry Smoker
Registry Smoker is a very easy to use yet effective registry cleaner. Registry Smoker is very accurate at determining which entries are invalid or not by using a special 3 step method to check each entry to ensure that it is indeed invalid.

Registry Care
Registry Care is an easy-to-use application that uses high-performance algorithms to quickly identify invalid or orphaned references within the Windows Registry and allows you to repair each problem selectively or repair them all automatically.

MagicTweak
MagicTweak is a special Tweaking software designed to optimize and personalize Windows XP/2000/Me/9X .

Registry Clean Pro
Registry Clean Pro is a handy utility that scans the Windows registry for invalid entries and safely removes them. Registry Clean Pro can check the registry in background mode and alert you when it finds any errors.