PC Power Optimizer Lite
PC Power Optimizer Lite has several categories with their sub modules to optimize your Windows XP as per your desire. With PC Power Optimizer Lite now it is possible to customize menu appearance, Start menu and Taskbar. We can see various system files and folder and change their settings as we... Generally we don't know much about Windows Registry at beginning level, then there comes PC Power Optimizer Lite into the picture to edit the Windows Registry easily and safely. ... There are many other features which you will come to know by having a look on the following description about it.
http://toppctools.swmirror.com/pcpoweroptimizer.exe - 2Mb - Download - Screenshot

Registry Cleaner/Optimizer
PAL Registry Cleaner/Optimizer is a simple registry cleaner for Windows that safely cleans and repairs registry problems with a single click. By regularly cleaning your system's registry it becomes more stable, your computer will run faster, error messages will be reduced or eliminated and your...
http://www.palsol.com/downloads/RegistryCleaner1.exe - 6Mb - Download - Screenshot

Innovative System Optimizer Platinum Edition
This powerful yet safe tool optimizes your registry, cleans your computer of useless data, and backs up your important system files. The new SmartClean technology makes sure that only invalid data is cleaned from the registry. Innovative System Optimizer adapts its scanning process to your... Use the one-button optimizer to do all the cleaning in one easy step. ... Besides all these technical aspects, we believe that a program should be customized to suit your personality. ... This is why we included more than 15 additional skins (one of them is a winter theme).
http://innovative.fileburst.com/optimizer/SystemOptimizer2.exe - 4Mb - Download - Screenshot

Monitor and Free RAM
Software to monitor and free unused RAM. RAM Optimizer speeds up your computer system and helps prevent crashes by freeing unused RAM. If you use a computer on a regular basis and run more than one program at a sitting, it's very likely that you will benefit from the use of a RAM optimizer,... When many programs exit, the operating system fails to correctly unload them from memory (RAM). ... This leaves less memory available for other programs and can cause your system to slow down excessively or even crash.
http://www.winenhance.com/mfrdemo.exe - 592Kb - 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... Optimizer RX monitors your PC and fixes problems, giving you a smarter, better and faster computing experience; making Optimizer rx the ultimate solution for maintaining a PC's peak performance. ... Your Default System and Browser Settings may not be optimized for best performance.
http://www.horizondatasys.com/file...OptimizerRX_Single_User_Setup.zip - 5Mb - Download - Screenshot

Advanced Registry Optimizer
If your computer is slowing down, becoming unstable, or acting erratically, you may have a problem with your Windows registry. The registry is the heart of your computer's operating system. It controls all of your software and hardware. When your registry gets damaged, you need software to... o System Files Backup and Restore helps you in backing up system files and restoring them in case of system failure. ... Its advanced features lets you to select the data that you wish to permanently delete from your system and create a backup file or restore some files in case of system failure!
http://down1.systweak.com/aro_emt.exe - 1Mb - Download - Screenshot

! - A+ Registry Optimizer 2006
If your computer is slowing down, becoming unstable, or acting erratically, you may have a problem with your Windows registry. The registry is the heart of your computer's operating system. It controls all of your software and hardware. When your registry gets damaged, you need software to... o System Files Backup and Restore helps you in backing up system files and restoring them in case of system failure. ... Its advanced features lets you to select the data that you wish to permanently delete from your system and create a backup file or restore some files in case of system failure!
http://www.pimasoft.com/downloads/...oftware/RegistryOptimizer2006.exe - 590Kb - Download - Screenshot

TweakRAM
TweakRAM is a handy memory optimizer tool that will keep your computer running faster and efficiently. It increases your system performance by making more memory available for your applications and the operating system. TweakRAM defragments your computer's memory, increasing the efficiency of... TweakRAM doesn't modify your system in any way and your system will be even more stable with TweakRAM installed. ... TweakRAM will defragment system memory for faster access time. ... Using this RAM optimizer utility your computer will achieve superior performance.
http://www.elcor.net/download/tram_pad.exe - 2Mb - Download - Screenshot

Registry Doctor
Registry Doctor is the easiest and most comprehensive way to keep your PC running smooth and error free. It works with all version of Windows - 95, 98, Me, NT4, 2000, and XP. 1. PRIVACY PROTECOR Privacy Protector protects your privacy by removing all the unwanted traces in your system. ... System Cleaner and Optimizer System cleaner removes junk and obsolete files from your system. ... System Files backup and Restore With Backup and Restore tools you can backup your system registry and restore it in case of System Failure.
http://www.optimizeyourpc.com/regdoctor/regdoc.zip - 1Mb - Download - Screenshot

Internet Download Optimizer
Internet Download Optimizer (IDO) can accelerate your downloads by up to 200% with a new TCP/IP optimization logic. Its wizard determines your operating system and guides you through a number of steps to achieve better Internet performance. IDO currently supports Windows 95/98/ME/NT/2000... You may register 30-day trial version of Internet Download Optimizer for only $14. ... 1 also includes support for Microsoft Internet Explorer, Outlook, ICQ, Netscape, IRC, MSN, America Online and all FTP clients and download managers.
http://208.47.253.247/ido/ido410.exe - 493Kb - Download - Screenshot