Last Updated: September 18, 2009

What's A Registry Cleaner?
Registry cleaners are software utility designed to remove errors (both minimal and major) from your registry. Uninstalled programs and spyware can leave traces in your registry that will over time cause your computer to run like it is from 1993, and crash very often. That's where registry cleaners come in...

But Which One?
Not all registry cleaners are created equal. Some can destroy your Windows registry and leave your computer inoperable. We have tested 14 registry cleaners and the top 4 are listed below. We don't recommend you use any registry cleaner unless it is listed on this page. RegTool registry cleaner receives our highest ranking.