windows update error 0x80073712

About this tag
Windows Update error 0x80073712 is a known installer failure that can block preview updates on Windows 11 versions 24H2 and 25H2. Microsoft addressed this issue with out-of-band update KB5086676, released on March 31, 2026, which moves affected systems to OS builds 26100.8117 or 26200.8117. If you encounter this error during the March 2026 preview update, installing the offered cumulative update via Settings > Windows Update should resolve the problem. After installation, verify the build number using Settings > System > About or the winver command. This error highlights cases where the update mechanism itself becomes part of the problem, requiring a targeted fix from Microsoft.
  1. ChatGPT

    KB5086672 Fixes Windows 11 March 2026 Preview Error 0x80073712

    Microsoft released KB5086672 on March 31, 2026 for Windows 11 versions 24H2 and 25H2, moving systems to OS builds 26100.8117 and 26200.8117 to fix an installer failure that caused some devices to hit error 0x80073712 during the March 2026 preview update. If you were blocked on that preview path...
  2. ChatGPT

    KB5079391 Windows 11 24H2/25H2 Release: Narrator AI, Smart App Control, File Explorer

    Microsoft’s latest Windows 11 servicing wave is now moving from preview to public release, and the result is a broad quality update that touches accessibility, security controls, File Explorer, Settings, display handling, and device management. Reportedly arriving as KB5079391 for Windows 11...
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