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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PC Optimizer 

Fix PC problems and prevent them from happening again. Comes with PRIVACY PROTECOR, System Cleaner and Optimizer, System Files backup and Restore, Registry Cleaner and Optimizer, Registry Defragger, Secure Delete, Find Duplicate Files
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AMUST Registry Cleaner 

The utility introduces a new approach to registry maintenance that combines the latest technology and deep knowledge of the system registry to reach an unparalleled level of system performance and problem resolution, while being safe to use.
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