Patch Tuesday Archives

Winsage

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 3, 2026

Microsoft now force upgrades unmanaged Windows 11 24H2 PCs

Microsoft has begun upgrading unmanaged devices running Windows 11 24H2 Home and Pro editions to the latest Windows 11 25H2 version. Support for Windows 11 24H2 will end on October 13, 2026. The 25H2 version rollout started in September and is delivered through compact enablement packages. The update is now available for all unmanaged devices running Windows 11 24H2, and those devices will stop receiving critical updates. Users can manually check for the update or pause it through the settings menu. Microsoft has provided a support document and guide for the upgrade process.

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 2, 2026

Microsoft veteran says some ‘broken by update’ PCs were already doomed

Many corporate customers believe that recent Microsoft updates have rendered their systems inoperable, but often the issues are not caused by the updates themselves. Instead, underlying problems, such as prior changes to drivers or group policies, become apparent after a system restart prompted by the update. The act of rebooting can trigger these hidden issues, leading to system failures. Additionally, Microsoft has faced scrutiny regarding the reliability of its updates, as administrators have expressed concerns about their stability.

Winsage

April 2, 2026

Don’t blame Windows 11 updates for every problem, Microsoft veteran says

Corporate clients often report to Microsoft that Windows updates disrupt their systems, particularly after Patch Tuesday. A 2026 report from Omnissa indicates that Windows environments experience more application crashes and forced shutdowns than macOS. However, Raymond Chen, a Windows expert, suggests that many systems are already compromised before updates are installed. Engineers at Microsoft frequently find that issues persist even after rolling back updates, and similar failures can occur on machines that haven't received the update yet. The actual triggers for system failures often stem from changes made by IT departments prior to updates, such as new drivers or configuration modifications. These changes may not show immediate issues until a reboot occurs during Patch Tuesday, revealing existing instability. Best practices for IT admins include controlled change management, validating drivers and policies before deployment, using staged rollouts, rebooting after major changes, and maintaining logging and monitoring systems. Microsoft conducts extensive testing of updates to ensure system security and stability, and delaying updates can increase risks.

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 yanks Windows 11 preview update after install failures

Microsoft has paused the rollout of the Windows update KB5079391 due to installation errors reported by users, specifically a 0x80073712 error. Affected users received notifications about missing or problematic update files. The update impacts Windows 11 versions 24H2 and 25H2 and was intended to introduce new features, including enhancements for the Settings interface and support for monitors with refresh rates over 1,000 Hz. Microsoft has temporarily limited the availability of this update while investigating the issue, and no devices became inoperable due to the installation failures. There is currently no timeline for when the rollout will resume.

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 confirms Windows 11 dark mode upgrade, with plans for third-party apps and Registry Editor

Windows 11 has introduced a dark theme that has received positive feedback, but certain legacy pop-ups, like the Properties tab, still use a light background. Microsoft is working on a dark-themed Properties tab and aims to enhance the dark mode experience across the operating system, as confirmed by senior executive Marcus Ash. He mentioned that there are no specific timelines for updates to legacy tools like the Registry Editor, but improvements are being made for consistency in dark mode across system-level dialogs. Third-party applications that do not adopt dark mode will continue to display in light mode, as Microsoft cannot enforce changes on them. Users currently experience inconsistencies with dark mode, particularly with legacy features that still show a light background. In December 2025, Microsoft rolled out dark mode for most operational dialogs, including those for file deletion and error notifications. Dark mode is now visible in various pop-ups, such as notifications for insufficient disk space and Recycle Bin confirmations. Microsoft is also testing dark mode in Windows Run (legacy).

Winsage

March 27, 2026

Microsoft Issues Windows 11 Preview Updates for Week D

Microsoft is rolling out a preview of April's Patch Tuesday updates for Windows 11, specifically for versions 24H2, 25H2, and 26H1. The Preview Update KB5079391 is available for versions 24H2 and 25H2, updating them to builds 26100.8116 and 26200.8116, respectively. Key improvements include rich image descriptions in Narrator, a toggle for Smart App Control, updates to pen settings, adjustments to the Settings interface, enhancements to voice typing, display reliability improvements, upgrades to natural voice in Narrator, and stability enhancements for the Windows Recovery Environment. For version 26H1, Preview Update KB5079489 is available, upgrading the system to build 28000.1764 and introducing features like Emoji 16.0, Quick Machine Recovery improvements, and a built-in network speed test, though many features have been seen in previous versions.