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Cannot update to Windows 10 version 20H2

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#1
6stringer

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So as the thread title says, I cannot get my computer to update to Win 10 20H2 from version 1909 which I believe was the last successful update. I have tried 6 times to update and each time after several HOURS of what appears to be updating it reverts to uninstalling the update. 

 

I tried disabling Defender but that didn't help. I ran SFC which found and repaired several corrupt files, still won't update and leaves this alert: Last failed install attempt on ‎5/‎7/‎2021 - 0xc1900101

 

At the same time, it is trying to install an update for Microsoft Office 2010 (KB2986257) 32-bit edition (158)  that also fails each time leaving this alert: Last failed install attempt on ‎5/‎20/‎2021 - 0x80070643.     I totally don't understand that because this is a 64-bit machine and the only Office 10 I can think of is a starter version that came with the computer. I currently have a 365 subscription on this machine.

 

I have no idea if these failures are related somehow, hence I'm reaching out for help to update to the latest version of Windows.

 

Regards


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#2
Gary R

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There's a list of things to check through for failed W10 updates at .... https://support.micr...b8-32d177eb136c

 

Don't use W10 myself, so have no personal experience with it, and can't help further.


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#3
CalicaCJA

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Hello, just wondering whether you ever got this resolved. I'm having a similar problem on HP laptop that will not update beyond 1909. I get the same error you had. It fails whether I try and update from Windows Update or using the Windows Update Assistant.
Thanks
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#4
phillpower2

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CalicaCJA,
 
 
As the OP never acknowledged the offers of help I wouldn`t hold your breath while waiting on a solution from 6stringer, start your own thread and someone will help you there.

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