Microsoft released KB5086672 to fix installation error 0x80073712 caused by the optional March update KB5079391.

Windows 11 KB5086672 is now rolling out as an optional update with several notable improvements after March 2026 update ...

Couldn't install the latest Windows 11 update? You should be good to go now as Microsoft has rushed out a fix.

Windows 11’s latest cumulative update is not a routine housekeeping patch, it closes critical security holes and stabilizes the operating system at a moment when attackers are actively probing for ...

Microsoft told Windows Latest it pulled Windows 11 KB5079391 after the optional update caused installation issues on some PCs.