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How to remove Windows XP Service Pack 2 from your computer
Article ID: 875350 - View products that this article applies to.
Important This article contains information that shows you how to help lower security settings or how to turn off security features on a computer. You can make these changes to work around a specific problem. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this workaround in your particular environment. If you implement this workaround, take any appropriate additional steps to help protect your system.
This article describes how to remove Microsoft Windows XP Service Pack 2 (SP2) from your computer.
Warning This workaround may make your computer or your network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.Note You cannot remove Windows XP SP2 if you installed the service pack on a computer that already had Windows XP SP2 installed. The removal program will roll back to the version of Windows that existed before your installation. In this case, the program will roll back to the first installation of Windows XP SP2.
Important If you install Windows XP SP2 on a computer that is already running Windows XP SP2, you will create a new uninstall folder on your hard disk drive. This new folder will use 50-100 megabytes of disk space. Every time that you install Windows XP SP2, a new folder is created.
Use any one of the following methods to remove Microsoft Windows XP SP2 from your computer:
Use the Add or Remove Programs tool in Control Panel
Use the hidden $NtServicePackUninstall$ folder
Use the System Restore process
Use Recovery ConsoleWarning The following steps contain information about modifying the registry. Before you modify the registry, make sure to back it up, and make sure that you understand how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986If you use Registry Editor incorrectly, you may cause serious problems that may require that you reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
(http://support.microsoft.com/kb/256986/ )Description of the Microsoft Windows Registry
If you cannot successfully remove Windows XP SP2 by using one of the previous methods, follow these steps:
307654If you need help about how to install, reinstall, or uninstall Windows, visit the following Microsoft Web site:
(http://support.microsoft.com/kb/307654/ )How to install and use the Recovery Console in Windows XP