Advanced System Cleaner
Advanced System Cleaner can ealily free up disk space by analyzing your disk sapce, uninstalling applications smartly, deleting duplicate and junk files that are no longer used by any software on your system. Even the least experienced user can easily remove junk files with this tool. ... Many programs store information about themselves in the Windows registry, the Windows registry becomes bigger and bigger; computer power declines and program access times increase, The "Registry Cleaner" tool serves for periodic cleaning of the registry and for correcting incorrect Registry records;...
http://www.qwerks.com/download/7367/asc.exe - 2Mb - Download - Screenshot

Zilla WinCleaner N' Optimizer
Zilla WinCleaner N' Optimizer is like having your own personal cleaning company for your Windows® computer. Like a professional cleaner, the program knows exactly what kind of dirt to look for, where to find it & how to get rid of it efficiently & without damaging anything else on your PC. ... (We have selected those features that do not require expert knowledge), Optimize your hard disk drives with Drive Cleaner : Gets rid of general redundant files, Get rid of unused or duplicate DLL files with DLL Cleaner, Cleans up leftover garbage in the Windows® registry with Registry Cleaner, Cleans...
http://www.ZillaSoft.ws/download/zwco2611.exe - 11Mb - Download - Screenshot

Registry Sweeper
Do you often download and install software from the Internet and uninstall it after a while? Many uninstall programs, however, can't completely remove everything from your computer as you believe - information written into the registry by the application may still remain there - by and by your... Registry Sweeper is an outstanding and easy-to-use registry cleaner that can help you remove useless information from the Windows registry, fix errors in the registry, help you defragment your memory and improve system performance.
http://www.speedbin.com/Download/rssetup.exe - 2Mb - Download - Screenshot

Registrar Registry Manager
Registrar Registry Manager is a complete registry management solution with a wealth of powerful features. It is intended as a complete and safe solution for administrators and power users for maintaining the registry on both the desktop as well as remote computers on the network. ... Other features include fast registry background search with replace, delete and export options, detailed registry monitor which monitors registry operations by the system and other applications, a bookmark editor with descriptions, categories and key coloring, an advanced registry compare tool and detailed...
http://www.resplendence.com/download/rrtri.exe - 2Mb - 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. ... 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

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

Evidence Exterminator
Evidence Exterminator cleans all PC usage history information. Clean up your cookies, history, temporary internet files, browser's cache, recycle bin, recent documents. Did you know that when you use Windows, open folders, search for files, work with various software, surf the Internet, use... The program does not damage your Windows and does not delete your documents, it only cleans needless registry items and files, which potentially may contain evidence and endanger you needlessly. ... Evidence Exterminator will remove all evidence, and will also clean all the temporary files left by...
http://www.softstack.com/download/evterminate.zip - 984Kb - 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

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

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. ... Let RegistryEasy Clean Your Registry Safely and Effectively! ... This is the simplest way to clean up the registry. ... - Backup and Undo Before scanning your registry for errors, RegistryEasy gives you the option to create a backup file(s) that can be used to undo the changes.
http://urlcut.com/registryeasy.exe - 949Kb - Download - Screenshot