Registry Repair 

Registry Repair is an advanced registry cleaner for Windows that allows you to safely scan, clean, and repair registry problems.
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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 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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Windows Service Finder 

Windows Service Finder is an handy tool for system administrators and hackers, it shows the complete list of installed services and boot registry keys on operating system. You can also delete any services and/or boot registry keys, if you want.
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Winalysis 

Archive Event Logs from multiple computers to a central database. Monitor for changes to files, the registry, users, groups, services, security policies, and more. Restore files and the registry from snapshots. User account auditing and analysis.
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System Tracker 

Use System Tracker to view all active processes, watch live registry activity, control automatically starting programs, and set programs to not start. Online database to explain found processes is one right click away. Small, powerful, easy; all free
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