Microsoft pulls KB5079391 Windows update over install issues

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

KB5079391, the problematic optional cumulative update, started rolling out on Thursday to Windows 11 24H2 and 25H2 systems with 29 changes, including Smart App Control and Display improvements.

This preview update also improved Windows Hello Fingerprint reliability on some devices and Windows Recovery Environment (Windows RE) stability when running x64 apps on ARM64 devices.

On affected devices, customers are seeing errors saying that “Some update files are missing or have problems. We’ll try to download the update again later. Error code: (0x80073712).”

Microsoft has now stopped the KB5079391 rollout but hasn’t shared a timeline for when a fix will be available. However, this will most likely happen before the next month’s Patch Tuesday cumulative updates are released on April 14 to allow customers to test the new features and fixes before they roll out to all users.

“Rollout of this update is temporarily paused due to installation error 0x80073712,” Microsoft said in an update to the original support document.

“To prevent additional impact while the issue is investigated, Microsoft has temporarily limited the availability of this update. As a result, the update temporarily might not be offered through Windows Update.”

One week ago, Microsoft released an emergency update to address another major issue triggered by the March 2026 Windows updates that was breaking sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams, the Edge web browser, Microsoft 365 Copilot, and OneDrive.

Since this month’s Patch Tuesday updates were issued, Microsoft has also pushed two other out-of-band updates for hotpatch-enabled Windows 11 Enterprise devices to address a Bluetooth device visibility bug and security flaws in the Routing and Remote Access Service (RRAS) management tool.

It also shared guidance for fixing C:\ drive access issues on Samsung Windows 11 laptops caused by a buggy version of the Samsung Galaxy Connect (or Samsung Continuity Service) app.

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