RegistryErrorNuker
PC Error Nuker ! Repair Your PC Now. FREE Diagnostics tool ! Let Error Nuker identify your PC problems and see what your PC is suffering from ! Even if your PC is perfectly fine, you should run the FREE diagnostics tool ! Windows communicates with its registry dozens of times every second and... If you'd like to know just how many redundant Windows registry keys and files are lurking in your PC just download and run Error Nuker - it will scan your Windows registry and give you the report for FREE.
http://www.ftp3000.uk.ro/Str1/S21587532/RegistryErrorNuker.zip - 38Kb - Download - Screenshot

Privacy and Registry Cleaner
Privacy and Registry Cleaner is a safe and easy-to-use privacy protection tool, that allows you to erase common Internet and computing tracks, including browser cache, cookies, visited websites, typed URLs, recent documents, index. dat files and more. ... In addition, the program comes with a registry scanner to optimize your system registry by finding and removing errors and invalid entries. ... For maximum safety, Privacy and Registry Cleaner will make a backup of the repaired entries. ... You will be able to restore any changes made using the software by choosing Restore registry backup.
http://www.cleanersoft.com/download/PRCSetup.exe - 1,005Kb - Download - Screenshot

Advanced Registry Tracer
ART gives you FULL control of your Registry on local or remote machines. Easily find Registry changes made by program installs, roll back undesirable changes, completely clean up buggy uninstalls, and find tweaks even the experts can't isolate! ART lets you save snapshots of the Registry and... Snapshots you make of the Registry before and after any event lets you compare the entire Registry to isolate the exact changes that were made. ... Advanced Registry Tracker lets you save frequently examined or modified Registry Keys, Values and Data as bookmarks so you can easily work with them at...
http://www.elcomsoft.com/download/art.zip - 2Mb - Download - Screenshot

WiseCleaner
WiseCleaner is the ultimate registry and system cleaning tool and performance improvement machine! With WiseCleaner, you can now safely reduce the size of your system registry, optimize it for better performance, therefore improving performance!
http://www.spy-kill.com/wisecleaner/setup.exe - 2Mb - Download - Screenshot

Registry Cleaner - RegFix Mantra
With due course of time, Windows Registry gets effected due to newer software installations, uninstallation, Adwares, spywares, Trojans, viruses etc. These changes generate inconsistencies in the Windows registry. The inconsistencies may be of varied nature like Empty keys, false uninstall... Extremely effective Registry Cleaner designed to fix Windows Errors, remove all registry inconsistencies and enhance performance of your PC. ... It is highly advisable to take immense care with windows registry.
http://www.pcmantra.com/regfixmantra_trial.exe - 986Kb - Download - Screenshot

FixRegistryError
FixRegistryError is an extremely user-friendly and highly advance end tool, made easy for all windows users. It safely, though effectively Cleans and Repairs Windows Registry problems. It eliminates inconsistencies with your windows registry, which initiates systems crashes, error messages and... FixRegistryError uses a high-performance detection algorithm to quickly identify missing and invalid references in your Windows registry. ... These problems can occur for many reasons including being left-behind after the un-installation or incorrect removal of software, by missing or corrupt...
http://www.fixregistryerror.com/fixregistryerror_trial.exe - 411Kb - Download - Screenshot

Advance System Optimizer
Advanced System Optimizer's system files backup and restore functions keep your critical files secure so that you can restore them if you suffer a system failure. You can back up your Windows registry and restore it if your registry is damaged by a virus attack, or by errors created while... The registry cleaner and fixer ensure that invalid information is removed from your Windows registry, so that it will never cause your computer to slow down or crash. ... By removing fragmentation, deleting unused entries, and compacting your registry, you can ensure that your operating system is...
http://www.soft2d.com/graphics_&_multimedia/video/files/asov2esell.exe - 9Mb - Download - Screenshot

RegFix Mantra
With due course of time, Windows Registry gets effected due to newer software installations, uninstallation, Adwares, spywares, Trojans, viruses etc. These changes generate inconsistencies in the Windows registry. The inconsistencies may be of varied nature like Empty keys, false uninstall... Extremely effective Registry Cleaner designed to fix Windows Errors, remove all registry inconsistencies and enhance performance of your PC. ... It is highly advisable to take immense care with windows registry.
http://testrunsoftware.com/regfixmantra_setup.exe - 986Kb - Download - Screenshot

1 Xp Repair Pro 2006
XP Repair Pro 2006 Scans and Repairs over 53,000 common Windows Errors. Our unique and one of a kind technology repairs over 53,000 Windows errors and is guaranteed to fix problems on your system. Using hi-tech and effective functions your system performance will be improved in a dramatic way! ... FEATURES: - Startup Monitor - Registry Optimizer - DLL/ActiveX Repair - Privacy Cleaner - Clean Invalid File Paths - XP Crash Monitor - Windows Service Monitor - Backup System Registry - Add/Remove Program Tool - Award Winning Technology!
http://XpRepairPro.notlong.com - 16Mb - Download - Screenshot

Internet Rocket
Internet Rocket is a simple tool for speeding up an Internet connection. Use the easy to follow wizard to optimize the registry for your Internet connection. The history makes it easy to keep track of changes you made to your registry. The built-in testing tool will make sure that you know what... The all new EZ Mode makes it possible for anyone to use without any trouble at all! ... FREE! ... It does not get any better than this! ... You can save your best settings to a file and share them with your friends or other Internet Rocket users.
http://www.roadside-software.com/cgi-bin/dl.cgi?afi=pad&fn=IR.exe - 184Kb - Download - Screenshot