dtLibrary 

dtLibrary is a class library packaged as a single ActiveX DLL. This library offers multiple classes for retrieving and/or updating system information, including ini files, registry access, file/disk information, memory and power information, etc.
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CleanMyPC Registry Cleaner 

CleanMyPC Registry Cleaner scans the Windows registry and finds incorrect or obsolete information in it. By fixing obsolete information, your system will run faster and error free. Also features registry backup/restore, startup and BHO organizer.
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Registry Clean Expert 

Registry Clean Expert scans the Windows registry and finds incorrect or obsolete information in it. By fixing these obsolete information, your system will run faster and error free. Also features registry backup/restore, startup and BHO organizer.
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Always Right 

With Always Right, you can easily remove obsolete registry entries from software that you may have deleted years ago. You can sweep away those useless files that are just occupying space on your hard drive. A utility to synchronize your system time w
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A1Click Ultra PC Cleaner 

Use Clean PC, Remove Tracks, or Do-it-yourself Setup to find internal clutter, hidden stores, junk files, and registry trash - 7 Bonus Cleaning Tools - uses A1Click Technology and No Remains Deletion - can run automatically at startup, keeps undo.
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Evidence Sweeper 

Evidence Sweeper is the best choice to safely and completely increase system performance and completely clear away your on and off line activities. It's an Internet cleaner, system cleaner, registry cleaner and privacy protector all in one!
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