4Diskclean Gold 

4Diskclean Gold finds and fixes PC problems fast, keeping your system running at peak performance and reliability, and properly maintains Windows to prevent problems altogether. This awarded software will :Speed up your PC ! Clean up and fix it.
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MyRegistryCleaner 

Is your computer running slow? Does it crash? The award-winning MyRegistryCleaner will scan your entire computer and remove errors, speed up your pc and stop crashes!
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DOSINTEL PC Fix 

With a few easy steps DOSINTEL PC-Fix, a two in one software, will scan the entire computer for any invalid entries and provide a list of errors found, so the user can choose to selectively or automatically clean any item or repair them all.
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PC Doctor by PCSecurityShield.com 

Is your computer running slow? Does it crash? If so, then you have errors in your registry. Don' worry, PC DOCTOR is here to help. PC DOCTOR will scan your entire computer and remove errors, speed up your pc and stop crashes!
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Error Nuker 

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FixRegistryError 

FixRegistryError undertakes complete cleaning of Windows Registry and hard drive, fixes inconsistencies in Registry and files. Optimizes your system, increase OS stability and speeds up your softwares by maintaining Registry Integrity
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