RegSeeker is a very powerful and easy to use registry cleaner. Everything is just a click away. It find more registry errors than most other free products and does it rather quickly. It's also portable so you can take it anywhere. But RegSeeker is only meant for advances users, if you don't know what your doing it can erase valuable files your operating system needs to function.

The downside to using RegSeeker is it is so powerful it can remove needed Operating System files. It can also freeze your computer from time to time while scanning and removing errors. There also hasn't been a new version of RegSeeker for years, and it is not officially compatible with Windows 7.

All in all if you use XP still and know what your doing then RegSeeker is a great tool for it's high detection of errors and easy to use interface. However the average user should avoid this product as it can make your operating unusable and could require you to reformat your computer or pay to have it fixed.