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Windows XP (SP2) - Thoroughly optimize and defragment the registry

November 25, 2013
Updated: December 6, 2021
Quick overview:

The Windows Registry is a central component of Windows XP: If it is overloaded, faulty or confused (fragmented), not only the system startup but also applications are slowed down. With the following tools you can remedy this and optimize the access time to the registry:

RegClean, Registry Mechanic and Co. - the best registry tools

1. Download Microsoft's orphaned RegClean 4.1a tool. It removes a large number of unnecessary keys and values. Start it from the downloaded file and, after the analysis process, select Fix Errors.

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2. Install yourself Registry Mechanic for a much more thorough cleaning of the registry. After you have started the program, the automatic scan appears. Now click on Repairto solve all registry problems and create space.

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3. Thanks to all the deletion and reorganization operations, your registry fragments very easily, which can again lead to a loss of speed and various startup problems. We therefore recommend WinASO RegDefrag 1.2. Click Next after the program has started and confirm with Defrag now. Even on a new test machine, we were able to detect a fragmentation of 11%, which already led to a slight impairment of performance.

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We hope that these three tools will grow on you and become your main tools for maintaining the registry. There are truly hundreds of similar applications, but our tests have shown that the combination of these three tools is one of the most effective and safest ways.

NOTE FOR NEW PUBLICATION: This article was produced by Sandro Villinger and comes from the Windows Tweaks archive, which has been built up since the late 1990s.

Founded Windows Tweaks as a teenager in 2001, his helpful PC tricks made it Germany's most visited Windows site (at the time Sandro looked like this). He then went on to write for international publications such as PC-Praxis, Computerbild, PCWorld in the USA, IMTEST.de and Hifi.de. Sandro's main job is as Global Product Marketing Lead and Consultant for various global tech companies, including Microsoft, AVG, Avast, Nero, TeamViewer, Swiss IT Security Group and now currently in the fintech sector for Gendigital. But he can't get rid of his passion and shares his tweaks here again. Privately, he enjoys traveling the world and loves Asia, especially Japan, Singapore and Korea, but also natural places like Iceland and the Nordics. You can reach Sandro via e-mail.

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