Registry Fix 

With Registry Fix 3.0 you can safely clean and repair Windows registry problems with a few simple mouse clicks! Problems with the Windows registry are a common cause of Windows crashes and error messages.
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Registry Mechanic 

Registry Mechanic is an advanced registry cleaner for Windows that can safely clean and repair problems with your registry in a few simple mouse clicks! Easily fix problems with the Windows registry that are a common cause of crashes and errors.
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Registry Repair 2006 

With Registry Repair 2006 you can safely clean and repair Windows registry problems with a few simple mouse clicks! Problems with the Windows registry are a common cause of Windows crashes and error messages.
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RegVac Registry Cleaner 

RegVac - Ten Tools to Clean your Registry Speed up your computer. Avoid computer crashes. Get your registry sparkling clean. And repair Windows and applications. Stronger cleaning power than other registry cleaners. Free updates.
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