error code Archives

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April 5, 2026

Microsoft Ships Emergency Windows 11 Fix for Broken Patch

On March 31, Microsoft released emergency update KB5086672 in response to issues caused by the previous preview patch KB5079391, which left many Windows 11 devices in a loop with error code 0x80073712, blocking access to March security fixes. Microsoft withdrew KB5079391, which was launched on March 26, and replaced it with KB5086672, a cumulative update that includes all fixes from March 2026. KB5086672 supersedes previous updates, including KB5079473, KB5085516, and KB5079391. Users with the "Get the latest updates as soon as they’re available" setting will receive KB5086672 automatically, while others can manually check for updates or download it from the Microsoft Update Catalog. Microsoft has been issuing multiple emergency updates recently, raising concerns about the quality of its update pipeline, with a history of emergency patches for various issues affecting Windows 10, Windows 11, and Windows Server. The issues from KB5079391 may resurface in the upcoming April cumulative update.

Winsage

April 4, 2026

Microsoft to force updates to Windows 11 25H2 for PCs with older OS versions — ‘intelligent’ update system uses machine learning to determine when a device is ready

Microsoft is updating devices running Windows 11 version 24H2 to version 25H2, as support for 24H2 will end on October 13, 2026. The automatic update targets Home and Pro editions, while organizational devices are exempt. An "intelligent" system using machine learning will determine device readiness for the update, though details on the criteria remain unclear. Additionally, Microsoft released an emergency update, KB5086672, to address issues from a previous faulty update, KB5079391, which caused installation failures.

Winsage

April 3, 2026

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

Microsoft faced backlash due to the March non-security preview update (KB5079391) for Windows 11, which caused installation errors for many users. In response, Microsoft paused the initial update and released an out-of-band update (KB5086672) on March 31, 2026, to address these issues. The new update includes all enhancements from the previous update and fixes the installation problems. Users set to receive preview updates will automatically download KB5086672, while others can manually check for it in the Windows Update settings. Users can also manage their preferences for optional preview updates through the Windows Update screen.

Winsage

April 1, 2026

Microsoft issues emergency update for Windows 11 — fixes broken March preview update rollout from last week

Microsoft released an optional non-security update for Windows 11, identified as KB5079391, which caused significant installation issues for users, marked by error code 0x80073712. In response, Microsoft issued an emergency update, KB5086672, to address these problems for affected Windows 11 systems, including versions 25H2 and 24H2. This new update supersedes previous updates and includes protections and improvements from the March 2026 Windows security and non-security preview updates, along with an installation fix. The update also offers enhancements such as refresh rates exceeding 1000 Hz, improved auto-rotation and HDR reliability, and enhanced power efficiency for USB 4-connected monitors during sleep. Earlier in the year, the January security update, KB5074109, caused issues for gamers with Nvidia GPUs, leading to frame rate drops and system instability, with some users experiencing boot failures and errors like “UNMOUNTABLEBOOTVOLUME.” Additionally, users reported problems with shutting down or hibernating their PCs and disruptions in cloud-based applications like Outlook, OneDrive, and Dropbox.

Winsage

April 1, 2026

Microsoft Issues Emergency Fix for Windows 11 Update Installation Errors

Microsoft retracted its KB5079391 non-security feature update for Windows 11 due to installation errors and has released an out-of-band update, KB5086672, to address these issues. The KB5086672 update consolidates previous packages, including KB5079473, KB5085516, and the pulled KB5079391. It resolves the installation error message "Some update files are missing or have problems. We'll try to download the update again later. Error code: (0x80073712)" and is available through Windows Update for devices with KB5079473 or later. It can also be manually downloaded from the Microsoft Update Catalog. Currently, there are no known issues with KB5086672, and Microsoft will update support documentation if any complications arise.

Winsage

April 1, 2026

New Windows 11 emergency update fixes preview update install issues

Microsoft released an out-of-band update (KB5086672) to address installation issues caused by the March 2026 non-security preview update (KB5079391) for Windows 11 versions 24H2 and 25H2. The initial update led to errors indicating missing or problematic update files, prompting Microsoft to halt its rollout. The new emergency update consolidates previous updates and is available through Windows Update for automatic installations or can be manually accessed via Settings. Additionally, Microsoft has addressed issues from earlier Patch Tuesday security updates affecting sign-ins with Microsoft accounts and has released two other out-of-band updates targeting Bluetooth visibility bugs and security vulnerabilities in the Routing and Remote Access Service. Guidance has also been provided for resolving access issues on C: drives of Samsung Windows 11 laptops linked to specific Samsung applications.

Winsage

March 31, 2026

Microsoft reaches for yet another out-of-band patch to deal with latest update issue

Microsoft is preparing to release an out-of-band update due to installation errors associated with its latest preview update, which has resulted in the error code 0x80073712 for many users. The company has paused the problematic update while investigating the issues and plans to roll out a fix soon. The upcoming April security update is mandatory, increasing the urgency for resolution. This year, Microsoft has faced challenges with patches that require further fixes, and the frequency of out-of-band updates is rising. Pavan Davuluri, head of Windows, has acknowledged ongoing reliability issues since November 2025, indicating that improvements are needed in the update process.

Winsage

March 31, 2026

Latest Windows 11 update is broken, refuses to install — Microsoft pulls latest update over missing files error

Microsoft's KB5079391 non-security update, released on March 26, 2026, aimed to improve the stability and reliability of the Windows operating system but has faced installation issues, with many users encountering the 0x80073712 error code. This error indicates that something is broken or missing in the update files. The update includes support for monitors exceeding 1,000 Hz, a revamped About page in Settings, a new Narrator feature powered by Copilot, and enhancements to File Explorer. The update is optional and released in preview mode, but the lack of a workaround for installation remains a concern for users.

Winsage

March 30, 2026

Windows 11 KB5079391 update pulled as Microsoft scrambles to address installation issues

Microsoft has retracted the non-security preview update KB5079391 for Windows 11, which was released on March 26, due to user-reported installation issues, specifically error code 0x80073712. The update has been temporarily removed from Windows Update, but users' systems remain operational. The timeline for a re-release of the update is uncertain, and Microsoft may refine it or wait until the April Patch Tuesday for broader implementation.

Winsage

March 30, 2026

Microsoft is urgently recalling a problematic update. Windows 11KB5079391

Representatives of Microsoft announced the suspension of distribution for the optional update KB5079391 after it was available for a few hours due to user complaints about a critical installation error. Users reported interruptions during the update process and received a message about missing system files, with a common error code of 0x80073712 indicating damage or absence of essential components in the WinSxS system folder. Microsoft has initiated an internal investigation and temporarily restricted access to the update through the Windows Update service. There is currently no estimated timeline for resolving the issue. Microsoft is also working on future enhancements, including improving the Start menu's performance, reducing File Explorer's loading time, and allowing users to pause patch downloads for several months.