CleanMantra
PCMantra's CleanMantra shreds files which compromise privacy, cleans all traces of Online Activities as well as Offline Activities through effortless, secured, user-friendly options. Increases efficiency of PC by permanently cleaning useless files through Shred Function. ... Heavily loaded with features like user friendly, active protection shield, personalized cleaning, Plugin Support, Explorer Integration, System Tray Integration, Clean Shut Down options, clean start up options and many more. ... Your most favorite software store some information in hidden files and registry.
http://www.pcmantra.com/cleanmantra_trial.exe - 656Kb - Download - Screenshot

Xp Repair Pro
XP Repair Pro 2006 Scans and Repairs over 30,000 different common Windows Errors. - FREE TRIAL XP Repair Pro scans the Windows Registry and finds incorrect or obsolete information in the Registry. By fixing this obsolete information in Windows Registry, your system will run faster and error free. ... 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 > Repair Over 14,900 Errors > Free Tech Support and Free Upgrades!
http://6.6te.net/xprepairpro/ - 16Mb - Download - Screenshot

HS WinPerfect
Build on the core system of HS CleanDisk Pro , this software is windows system optimizer which cleans hard-disk and system registry, optimizes memory, tunes-up system specific settings, accelerates internet connection, improves cpu usage, maintains security and uninstalls software no longer wanted. ... * Removes duplicate files in the disks * Clean system registry from uninstalled software junks * Safe uninstall of selected software from your system. ... * Terminate unwanted multiple selected processes * Ability to remove applications start-up list to disable automatic execution of...
http://www.haysoft.com/files/winperfect1.exe - 2Mb - Download - Screenshot

MyRegistryCleaner
MyRegistryCleaner Repair and Prevent Errors on your PC - Anytime you need it. MyRegistryCleaner will: > Improve Your PC's Speed > Eliminate Computer Crashes and Errors > Optimize Your Internet Connection MyRegistryCleaner cleans and repairs your computers registry with an easy to use system that... Just for an added measure of safety, MyRegistryCleaner allows you to restore your old registry if you are uncomfortable with the changes. ... MyRegistryCleaner FEATURES: > Free Technical Support via phone and/or email > Repair invalid registry entries that are a common cause of Windows crashes...
http://DL-MyRegistryCleaner.notlong.com - 112Kb - 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... This is the simplest way to clean up the registry. ... BACKUP AND UNDO Before scanning your registry for errors, BUG DOCTOR gives you the option to create a backup file(s) that can be used to undo the changes.
http://6.6te.net/errordoctor/dl-errordoctor.html - 3Mb - 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... This is the simplest way to clean up the registry. ... SCHEDULER You can schedule ERROR DOCTOR to scan the registry for errors every 5, 10, 15 minutes or whenever you prefer. ... BACKUP AND UNDO Error Doctor gives you the option to create a backup file(s), before scanning your registry for errors.
http://shurl.org/errordoctor.exe - 3Mb - Download - Screenshot

System Purifier
Jitbit System Purifier is an all-in-one file shredder, privacy eraser, disk cleaner and registry optimizer. "FILE SHREDDER" AKA "file eraser" securely deletes files from your hard disk. Files erased with System Purifier are physically deleted and cannot be recovered or "undeleted" with disk... Improve your system performance by removing unnecessary start-up programs from the registry and editing the registered software list so you could remove hidden traces of any software that you know you had uninstalled long time ago.
http://www.jitbit.com/files/SystemPurifierSetup.zip - 1Mb - Download - Screenshot

RegistryBot
RegistryBot is a Windows Registry Cleaner, Kernel32 DLL Error Message Fix and Access Violation Repair Software. Our FREE Scan will easily finds the cause of errors that result in almost all computer problems! RegistryBot will save you from reformatting your entire computer! ... If you're wondering whether or not registry errors are dragging your computer down, scan your system for FREE to find out! ... We have isolated the most common registry issues and our free scan will search your computer for these errors and let you know where they are and what problems they may be causing.
http://shurl.org/DL-RegistryBot.exe - 2Mb - Download - Screenshot

4Diskclean Gold
Your computer disks are right now full of unwanted, unneeded and junk files that only slow down your PC ,take valuable space and may cause application problems. 4Diskclean Software do a complete clean up at your system keeping it running like new, deleting all sort of files not needed, including... o Common temporary folders o Clean all windows shortcuts that do not point to an existing file (desktop / Start Menu) (. ... Free disk space , fix and prevent errors in your system and speed it up with 4Diskclean Software.
http://www.4diskclean.com/Setup.exe - 1b - Download - Screenshot

1 Click PC Fix
Are you suffering from computer rage? Is your computer crashing, slowing down or freezing when you least expect it? Solve PC problems Instantly with 1 Click PC Fix. Designed for use by complete beginners or expert power users, you won't be able to imagine using your PC without this easy-to-use... Your system will then be much faster when booting up and more stable when running, your software programs will run quicker and you'll be stress free in the peace of mind that the 'Doc' has given your PC a clean bill of health.
http://dl.filekicker.com/send/file/157222-5045/1clickpcfix.exe - 4Mb - Download - Screenshot