PCWindex
PC Windex allows you to fix common registry problems and remove programs that start up when you turn on your computer. After using PC Windex your registry will be smaller and more robust, invalid registry items will be removed, reducing or eliminating error messages on your system, your system...
http://www.pcwindex.com/PCWindexSetup.exe - 16Mb - Download - Screenshot

Registry Cleaner
Registry Cleaner is a one click tool to scan, identify and fix errors in the system registry (reference files for programs installed on the computer). Normal usage of the system and regularly adding and removing programs leave unwanted traces in the registry like marks on a white board. ... In the wizard mode, the user has the option to leave it to the INTELLISENSE Registry Cleaner to identify and fix problems, making your system FAST, ERROR FREE, OPTIMIZED and IN YOUR CONTROL Registry Cleaner uses the ?
http://toppctools.swmirror.com/registrycleaner.exe - 2Mb - Download - Screenshot

Optimizer Rx
Optimizing utility for enhancing the performance and security of PC's. Optimizer RX is a suite of 6 robust utilities that have been designed to increase the performance and security of PC's... Correcting problems, cleaning and fixing Windows registry, deleting unnecessary files, deleting traces... Your Default System and Browser Settings may not be optimized for best performance. ... Most computers require a tune up from time to time. ... Optimizer RX monitors your PC and fixes problems, giving you a smarter, better and faster computing experience; making Optimizer rx the ultimate...
http://www.horizondatasys.com/file...OptimizerRX_Single_User_Setup.zip - 5Mb - Download - Screenshot

XP Registry Cleaner
The Windows registry is a database repository for information about a computer's configuration. The registry keep growing when you use Windows. As it does so, it attracts obsolete and unnecessary information, and gradually becomes cluttered and fragmented. ... XP Registry Cleaner scans the Windows registry and finds incorrect or obsolete information in the registry. ... The backup/restore function of the tool let you backup your whole Windows Registry so you can use it to restore the registry to the current status in case you encounter some system failure.
http://www.xp-tools.com/download/xpregistrycleaner.exe - 658Kb - Download - Screenshot

Registry Cleaner and Fixer
Windows Optimizer - Registry Cleaner and Fixer scans the Windows registry and finds incorrect or obsolete information in the registry. By fixing these obsolete information in Windows registry, your system will run faster and error free. The backup/restore function of the tool let you backup your...
http://www.nice-soft.com/optimizer/download/toolregistrycleaner.exe - 697Kb - Download - Screenshot

Registry Vaccine
Registry Vaccine - Registry Vaccine is a powerful Windows Registry Cleaner that is designed to fix Windows Errors, remove all registry inconsistencies and thus enhance the performance of your PC. After browsing the Internet... experiencing a few virus attacks... ... Benefits of Registry Vaccine include: Stabalize PC environment Prevent Identity theft Prevent most spyware and adware Deliver Registry Integrity Enhance PC Performance Reduce System Downtime Increase workstation productivity Lower the risk of Virus, Worms etc.
http://www.horizondatasys.com/file...stry_Vaccine_One_Time_Cleaner.zip - 418Kb - Download - Screenshot

Error Doctor
ERROR DOCTOR 2006 will fix hidden bugs and errors on your PC and increase the overall performance speed of your computer by as much as 300%. ERROR DOCTOR is the most advanced Error Remover software on the market today! ERROR DOCTOR will scan your Windows registry and give you a detailed list of... MANUAL CLEANUP After the scan is complete, ERROR DOCTOR will show you a full list of errors with details, and let you fix individual invalid entries or all invalid entries of a certain type. ... This is the simplest way to clean up the registry.
http://shurl.org/errordoctor.exe - 3Mb - Download - Screenshot

Bug Doctor
BUG DOCTOR 2006 will fix hidden bugs and errors on your PC and increase the overall performance speed of your computer by as much as 300%. BUG DOCTOR is the most advanced Bug Remover software on the market today! BUG DOCTOR will scan your Windows registry and give you a detailed list of errors... MANUAL CLEANUP After the scan is complete, BUG DOCTOR will show you a full list of errors with details, and let you fix individual invalid entries or all invalid entries of a certain type. ... This is the simplest way to clean up the registry.
http://6.6te.net/errordoctor/dl-errordoctor.html - 3Mb - Download - Screenshot

System Cleaner 4 in 1
System Cleaner 4 in 1 is a suite of tools to clean your system, it includes Disk Cleaner, Registry Cleaner, History Cleaner, and Startup Cleaner. it allows you to remove unneeded files and internet tracks, find and remove invalid registry entries, erase internet trace, manage cookies and more. ... furthermore, this program includes options to fix registry errors, and optimize your system performance.
http://www.softcns.com/downloads/security/clean4in1.exe - 2Mb - Download - Screenshot

RegistryEasy
RegistryEasy is a Windows Registry Cleaner, Kernel32 DLL Error Message Fix & Access Violation Repair Software. Free PC scan that easily finds the cause of errors that result in computer problems, fixes corrupt files hidden in your PC and allows you to avoid reformatting and common reboot errors. ... - Manual Cleanup After the scan is complete, RegistryEasy will show you a full list of errors with details, broken down by types and let you fix individual invalid entries or all invalid entries of a certain type.
http://urlcut.com/registryeasy.exe - 949Kb - Download - Screenshot