Wise Registry Cleaner is one of the safest free Windows registry cleaning tools and registry optimizer to speeds up your PC by cleaning your Windows Registry. Its registry scanning engine is thorough, safe and fast clean up, repair and optimize the Windows registry with a few simple mouse clicks.
It will scans the Windows registry and finds incorrect or obsolete information in the registry. Then Wise Registry Cleaner also display the number of errors found in the selected categories, display result in the result sheet and checked the items that can be safe to delete.
Wise Registry Cleaner is a freeware which have user friendly interface and easy to use. For more on how to use Wise Registry Cleaner to clean your registry, read the FAQ page.
So, regularly fixing registry errors on your system will help improve your system performance.
Update : Wise Registry Cleaner has upgrade to version 4.