By installing one of these cleaners on your system and running it at regular intervals you prevent potential threats and errors that could seriously harm your system.
However, you may be wondering how registry cleaners optimize Windows performance. Well, they scan the Windows registry systematically and match all registry files with applications that use these files. On finding a damaged or lost file, your cleaning expert prompts you about the same. You then have the option to repair the error.
Registry cleaners can be programmed to run in two separate modes, automatic and manual. In the automatic mode, these cleaners scan the registry, identify the errors and prepare a list of the same, and repair these errors. In the manual mode, it only scans the registry, identifies the errors, and reports them to you. It is up to you to repair these errors in the manner you feel like.
In case, you want to recover any change, the registry cleaning expert provides you the option by keeping a backup of all the repairs. Therefore, by cleaning the registry of all errors and orphan files, these cleaners optimize Windows performance. Registry cleaners come with a free scan to detect windows errors and are an extremely good tool to ensure that your computer runs smoothly and does not freeze or crash.
They can be customized and give you the leverage to set the cleaner to scan the items that you want. They also find all the invalid entries in the registry and remove them to optimize Windows performance. You can also defragment your system regularly using a registry cleaner so that your system keeps giving your superior performance. All these features and benefits at an affordable price make a registry cleaner the paramount mechanic for your computer.
Guest post by A.Wood
Glary Utilities is a collection of system tools and utilities to fix, speed up, maintain and protect your PC. It allows you to clean common system junk files, as well as invalid registry entries and Internet traces (theres a plug-in support for 45+ external programs). You can also manage and delete browser add-ons, analyze disk space usage and find duplicate files.
Do you often notice that your PC just doesn’t run as smoothly as it used to and need to speed up computer? This could be caused by anyone of several problems or a combination of all of them. The problem is, monitoring today’s PCs is increasingly difficult and time consuming. Even experienced users find effective control of all the settings and resources of their PCs hard to achieve. SpeedUpMyPC 2010, Uniblue's award-winning speed up computer solution, lets you monitor and control all your PC resources with easy, one click instructions. 
CleanMyPC™ Registry Cleaner can clean your Windows registry, tune up your PC and keep it in peak performance! CleanMyPC Registry Cleaner 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 whole Windows Registry so you can use it to restore the registry to the current status in case you encounter some system failure.
TuneUp Utilities can make your Windows operating system faster, more comfortable and more secure with just a few mouse clicks. And all operations performed on the operating system are completely safe, because all changes are monitored by TuneUp Rescue Center and can be undone at any time. All TuneUp Utilities modules can be accessed through a common interface that is divided into six categories.
XP Repair Pro will scan and repair 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. Windows and your software will run faster and your system will be more stable. XP Repair Pro 2006 is the Most Comprehensive System Repair Tool on the Market. An advanced Registry Cleaner finds and repairs system errors and incorrect information in the windows registry. An optimizer removes obsolete and duplicate entries that Windows and other programs leave behind.
Optimizes, Cleans and Protects (U.S. Department of Defense Standards!) Unwanted and even dangerous clutter from daily use and Internet surfing builds up over time. This takes up drive space and tracks your Web-browsing habits, leaving a trail for anyone to see. With WinCleaner One-Click Cleanup, you can safely remove junk files, broken shortcuts, Internet clutter.And it includes one of the best Registry Problem Solver and Optimizer you can get.You will notice quicker startups and faster surfing with the benefit of solid privacy protection all in one package that will save you time and 
CleanMyPC Registry Cleaner will scan the Windows registry and find incorrect or obsolete information in the system 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 whole Windows Registry so you can use it to restore the registry to the current status in case you encounter some system failure. 
Registry Mechanic is an advanced registry cleaner for Windows® that can safely clean, repair and optimize your registry in a few simple mouse clicks! With Registry Mechanic you can safely clean, repair and optimize the Windows® registry with a few simple mouse clicks! Problems with the Windows® registry are a common cause of Windows® crashes, slow performance and error messages. By using a registry cleaner regularly and fixing registry errors your system should not only be more stable but it will also help improve your system performance without expensive hardware upgrades. 
The professional version of the safe utility for cleaning register Windows. The program scans the register and searches in it for the incorrect and out-of-date information after which removal the operational system works more quickly. After the program will analyse problems of your system, you can see each found malfunction and to look its detailed description.
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. With the growing of the registry, it can degrade the performance of the whole system and cause many weird software problems.
WinUtilities is an award winning collection of tools to optimize and speedup your system performance. this suite contains utilities to clean registry, temporary files on your disks, erase your application and internet browser history, cache and cookies. you can control startup programs that load automatically with windows, find duplicate files, fix broken shortcuts and uninstall unneeded software. other features include secure file deletion, recycle bin shredding, cleaning tasks scheduling and undelete deleted files.
Spotmau PowerSuite Professional 2009 is a must-have toolkit providing all essential utilities for every PC owner. This is an everyday toolset for PC maintenance and optimization. This is also an emergency kit for rescuing and recovering your precious data and system. With this complete package, you can almost solve all your PC problems. With this tool, even a PC beginner can become a hard disk specialist in half an hour !
RegGenie was designed to be simple enough for the most basic computer user, yet includes the precision, flexibility, and functionality that even the most advanced user will appreciate. With its user-friendly interface and easy to understand 3-step process, RegGenie™ makes it simple and easy to scan and fix your PC. In addition, RegGenie™ offers a wide variety of additional features including automatic scan and repair scheduling, registry defragmentation, simple backup and restore process, and a straightforward way to manage your Windows Startup programs.