1)   PC Doctor by PCSecurityShield.com 2005
Is your computer running slow? Does it crash? If so, then you have errors in your registry. Don' worry, PC DOCTOR is here to help. PC DOCTOR will scan your entire computer and remove errors, speed up your pc and stop crashes!
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 2)   Eusing Free Registry Cleaner 1.0
Eusing Free Registry Cleaner is a free registry repair software that allows you to safely clean and repair registry problems with a few simple mouse clicks.You can restore any changes made using the software by choosing Restore registry backup.
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 3)   1ClickFixIt 1.5.8
1 Click Fix IT uses a high performance detection algorithm to quickly identify missing and invalid references in your Windows registry, thus saving your system resources and visibly increasing the performance of your PC.
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