• Cumulative Update for Windows 10 for x64-based Systems (KB3081424) FAILED and took forever to uninstall

Just received the first update to Windows 10 today and it failed to install.

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Answer

MichaeljTaylor

I found a solution on another forum.

remove SID's for users that no longer exist in the registry.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

you can check which users don't exist by checking computer management/local users and groups/users.

this worked for me on both of my windows 10 PC's, best to be safe though and backup your registry.

hope this helps.

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Last updated October 16, 2020 Views 215,305 Applies to: