Registry Clean Pro is a utility that safely removes invalid entries from the Windows registry, thus optimizing the performance of your computer. You can schedule Registry Clean Pro to scan the registry regularly: every day, once a week or once a month. You can use the Custom Scan option to search the registry for particular types of errors. Registry Clean Pro can even check the registry in background mode and alert you when it finds any errors.
Registry Mechanic
Registry Mechanic is an advanced registry cleaner for Windows that can safely clean and repair problems with your registry in a few simple mouse clicks! Easily fix problems with the Windows registry that are a common cause of crashes and errors.
The Error Doctor
The ERROR DOCTOR will Repair Errors, Fix hidden Bugs on your PC and increase the speed of your computer by as much as 300%. The ERROR DOCTOR will Scan your Registry and give you a detailed list of errors broken down by type Absolutely FREE.
MagicTweak
MagicTweak is a special Tweaking software designed to optimize and personalize Windows XP/2000/Me/9X .
Registry Analyst
Does your computer's work is slow? Does your system crashes often? The Registry Analyst introduces a solution to this problems. It analyzes the system registry, finds invalid entries and fixes them.
Free Error Cleaner
Cleaning and Repairing Windows Registry made Free and Easy - Free Error Cleaner by PCSleek.com