Article ID: 329198 - View products that this article applies to.
This article was previously published under Q329198
This article describes situations in which you must reinstall Service Pack 1 (SP1) for Windows XP.
With some Microsoft operating systems such as Microsoft Windows NT you must re-apply the latest service pack after you make a change to your computer. Although you do not have to do so in Windows XP, there are a few situations in which you must reinstall SP1 for Windows XP.
Reinstall SP1 for Windows XP in the following situations:
For more information about how to perform a repair, an in-place upgrade, or reinstallation of Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:
978788For additional information about how to obtain Windows XP SP1, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/978788/ )How to perform an in-place upgrade (reinstallation) of Windows XP
322389For additional information Windows XP service packs and system state changes, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322389/EN-US/ )How to Obtain the Latest Windows XP Service Pack
327393If you need help about how to install, reinstall, or uninstall Windows, visit the following Microsoft Web site:
(http://support.microsoft.com/kb/327393/EN-US/ )You Do Not Have to Reinstall Windows XP Service Packs After System State Changes
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