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

New out-of-band Windows 11 update fixes March's installation errors - how to get it ...

Microsoft paused rollout of optional KB5079391 update after users hit install error 0x80073712. The cause is currently being investigated.

The KB5063878 Windows 11 24H2 cumulative update, released earlier this week, fails to install on some systems according to widespread reports from Windows administrators. On impacted devices, users ...

This month's feature update for Windows 11 is no longer available. Microsoft paused the rollout to investigate installation errors.

If you are encountering the 0xC1900101-0x40021 Windows 11 upgrade error, execute the solutions given below. An outdated BIOS is the primary cause of the 0xC1900101 ...