So, we measured how many registry errors each of fiveteen tools found and cleaned, as well as how it did affect PC startup time. But first, a quick basic data summary and short descriptions. We used a median desktop PC with 8GB RAM running on Windows 7 Professional.

The idea of testing was obvious: see how many errors would each registry cleaner find and clean, and how would it affect a PC performance. You can also check our guide about this kind of software. And, of course, all these registry cleaner programs have one click repair feature. Most of them provide useful features such as scan progress, scan scheduler, severity indicator, ignore list, automatic backups, startup manager, run on startup, log files. Overall, all of them remove entries like Invalid class keys, program shortcuts, shared DLLs, application paths, help files, file associations, empty registry keys, etc. We’ve selected 10 top registry cleaners that have the most positive user reviews online. Rather than publishing a typical list of top programs, we’d like to test and compare free registry cleaner tools. For example, files that do not exist anymore and which would take hours to delete manually. Registry cleaner programs are crucial in a way that they will remove hundreds of useless registry entries from a Windows device.

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