Episodes
Saturday Mar 19, 2011
How to uninstall Windows 7 Service Pack 1 (SP1)
Saturday Mar 19, 2011
Saturday Mar 19, 2011
Windows 7 Service Pack 1 (SP1) contains many updates to improve Windows 7, but if you encounter a problem with hardware or a program after installing the service pack, you might want to temporarily uninstall it to troubleshoot the problem.
Note
If you installed SP1 yourself, you can uninstall it. However, if your computer came with SP1 already installed, it can't be uninstalled.
The easiest way to uninstall SP1 is using Programs and Features.
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Click the Start button , click Control Panel, click Programs, and then click Programs and Features.
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Click View installed updates.
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Click Service Pack for Microsoft Windows (KB 976932), and then click Uninstall.
If you don't see Service Pack for Microsoft Windows (KB 976932) in the list of installed updates, your computer likely came with SP1 already installed, and you can't uninstall the service pack. If the service pack is listed but grayed out, you can't uninstall the service pack.
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Click the Start button , and then, in the search box, type Command Prompt.
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In the list of results, right-click Command Prompt, and then click Run as administrator. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
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Type the following: wusa.exe /uninstall /kb:976932
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Press the Enter key.
If you've used Disk Cleanup since installing SP1, the backup files needed to uninstall the service pack might have been deleted from your computer. To remove the service pack, you'll need to reinstall Windows 7. For installation information, see Installing and reinstalling Windows 7.
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