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Windows 7: Windows 7 Service Pack 1 (SP1) - Uninstall

22 Jul 2010   #49
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 
Windows 7 Service Pack 1 (SP1) - Uninstall

How to Uninstall the Windows 7 Service Pack 1 (SP1)

...

My System SpecsSystem Spec
24 Aug 2011   #50
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello EK, and welcome to Seven Forums.

It sounds like you may have previously used the SP1 Disk Cleanup Tool. If so, you will no longer be able to uninstall the SP1.

If the SP1 came already part of the Windows 7 installation in this evaluation copy, then you will not be able to uninstall the SP1.

In Option 2, you needed to open a elevated command prompt (right click - Run as administrator) instead to run the command in. The link in step 1 of Option 2 can show you more on how to open a elevated command prompt.

My System SpecsSystem Spec
29 Aug 2011   #51
niiiro

Windows 7 x64 Ultimate (6.1.7600 Build 16385)
 
 

Thank you for this useful tutorial!
My System SpecsSystem Spec
29 Aug 2011   #52
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

You're most welcome Niiiro.
My System SpecsSystem Spec
31 Oct 2011   #53
killbox

Windows 7 enterprise 64bit
 
 

How do I uinstall service pack 1 if none of the options work for me?
My System SpecsSystem Spec
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31 Oct 2011   #54
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Killbox,

Did your Windows 7 installation media come with SP1 already included with it, and installed SP1 with Windows 7 when you installed Windows 7?

If so, then you will not be able to uninstall SP1.
My System SpecsSystem Spec
31 Oct 2011   #55
killbox

Windows 7 enterprise 64bit
 
 

I got it to work now. Had to check "compatibility with vista service pack 2" and run as administrator. I'm currently at the "gathering files, settings..." part now Hope it will work.
My System SpecsSystem Spec
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 Windows 7 Service Pack 1 (SP1) - Uninstall




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