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Jul 11 2012

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Clean Up Winsxs After Windows 7 SP1 Install

I recently noticed that my laptop was running very low on free space. I ran CCleaner and jv16 Power Tools, but still noticed the Windows folder was very large.

I then ran WinDirStat and found that the winsxs (C:\Windows\winsxs) folder was very large.

After a bit of research I managed to use the command below and reduced the winsxs by almost half.

DISM /online /Cleanup-Image /SpSuperseded

The command needs to be run from an elevated (i.e., Run As Administrator) command prompt, and you cannot uninstall the Service Pack after it completes.

I then did the same on my other Windows 7 laptops and recovered an almost identical amount of space.

Permanent link to this article: http://ericsilva.org/2012/07/11/clean-up-winsxs-after-windows-7-sp1-install/

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