How to fix "Erreur d’installation - 0x800f0831 (2023-08 cumulative update W11 Version 22H2 systèmes x64 (KB5029263)"

Question

Hi,

I can't find how to fix this error :

Erreur d’installation - 0x800f0831

2023-08 Mise à jour cumulative pour Windows 11 Version 22H2 pour les systèmes x64 (KB5029263)

I've checked the CBS.log file. It contains a lot of messages I don't understand.

What should I do ?

Many thanks

Answer 1

1)Temporarily uninstall any of these non-Microsoft software:

a) antivirus

b) firewall

c) drive encryption

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2)Perform an in place upgrade repair:

https://www.elevenforum.com/t/repair-install-windows-11-with-an-in-place-upgrade.418/

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https://www.elevenforum.com/t/download-official-windows-11-iso-file-from-microsoft.1009/

https://www.microsoft.com/software-download/windows11

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--please don't forget to upvote and Accept as answer if the reply is helpful--

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