1)   Registry Toolkit 1.2.10.030
Increase system speed and eliminate errors by cleaning up the clutter the System Registry. Repair windows problems and stop system freezes. Customize your system startup, manage internet explorer plug-ins and more advanced features. - FREE DOWNLOAD
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 2)   Vista Registry Cleaner 4.7.0
Digeus Registry Cleaner for Windows Vista, a PC maintenance and recovery tool that eliminates system error messages, slow startup and shutdown speed, programs instability and computer crashes.
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 3)   Digeus Registry Cleaner 5.5
Digeus Registry Cleaner is a PC maintenance and recovery tool that eliminates system error messages, slow startup and shutdown speed, programs instability and computer crashes.
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