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June 19th, 2026 17:26

Failure to update Windows 11, version 25H2

Numerous attempts since June 10 and it will not install.

The error message and computer system are attachments 0 to 3

3 Attachments

12 Elder

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June 20th, 2026 14:43

Download the latest ISO using the tool, and then install it.  All major Windows 11 updates work the same  way - they move your data and settings, install a new copy and migrate your settings back.

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June 19th, 2026 18:33

23H2 has been end of life since November 2025 -- you may need to update manually to the latest version.  

You can use the MS Media Creation tool to do that job (back up the system first!).

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June 20th, 2026 08:33

Re:  Numerous attempts since June 10 and it will not install.

I suggest to perform a clean install of Windows 11 25H2 using MS Creation Tool.  

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June 20th, 2026 14:10

@Chino de Oro​ 

I know that is the ultimate 'fix' but we have two computers with 23H2 and one with 24H2 and the work and time is a bit put offing.  I was/am hoping there is a less stressful fix.

FWIW, we also have two with version 25H2.

Yes, I am the family 'IT' person. LOL

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June 20th, 2026 14:13

@ejn63 

Thanks for the MS Media Creation tool...it seemed like that was the solution for an upgrade from 23H2 to 25H2,  however when I ran it three times it seemed to 'see' I had Windows 11 already and did not upgrade to 25H2.

(edited)

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June 21st, 2026 14:08

@ejn63​ Thanks...have tried all the shortcuts and twice almost crashed the machine.  This seems to be the best fix.

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June 21st, 2026 14:09

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