Fix Update KB5066835/KB5066128 Not Installing Install Error 0x800f0991 On Windows 11

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Fix Can't Update KB5066835/KB5066128 Install Error Code 0x800f0991 On Windows 11
Step 1) Run SFC & DISM Command
sfc /scannow
Dism /Online /Cleanup-Image /RestoreHealth
DISM /Online /Cleanup-Image /StartComponentCleanup
Step 4) Use Microsoft Update Catalog
https://www.catalog.update.microsoft.com/Home.aspx
Step 6) Use Media Creation Tool
https://www.microsoft.com/en-us/software-download/windows11



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