Microsoft yanks Windows 11 preview update after install failures

Microsoft has halted the rollout of a Windows update after some users encountered installation errors.

The update, KB5079391, was released last week as a preview rather than a security update. Installation on some devices failed with a 0x80073712 error, and Microsoft temporarily pulled the plug on Friday night.

The Windows giant has not disclosed the exact nature of the problem, although the message shown to affected users said: "Some update files are missing or have problems. We'll try to download the update again later."

Microsoft said: "To prevent additional impact while the issue is investigated, Microsoft has temporarily limited the availability of this update."

The problem affects Windows 11 24H2 and 25H2, and closely follows an out-of-band update to fix Microsoft account problems introduced in the March 2026 update.

The update isn't mandatory, although it includes many new features, including fixes for Settings. Monitors can also now report ...