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

Microsoft has temporarily stopped distributing its KB5079391 non-security feature update for Windows 11 after widespread reports of installation failures. Users attempting to install the late-March ...

Windows 11 KB5086672 hotfix resolves the 0x80073712 installation error caused by the March 2026 non-security update.

Microsoft has pulled a buggy Windows 11 non-security preview update to investigate a known issue that triggers 0x80073712 errors during installation.

The latest Windows 11 emergency update tackles widespread install errors and replaces the problematic KB5079391 rollout.