Microsoft released KB5086672 to fix installation error 0x80073712 caused by the optional March update KB5079391.
Couldn't install the latest Windows 11 update? You should be good to go now as Microsoft has rushed out a fix.
Microsoft has released emergency update KB5086672 for Windows 11 after preview patch KB5079391 broke installations with error ...
Windows 11 KB5086672 hotfix resolves the 0x80073712 installation error caused by the March 2026 non-security update.
Microsoft released an emergency out-of-band update for Windows 11 on March 21, 2026, to resolve widespread sign-in problems ...
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