preview update

Winsage
April 4, 2026
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
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 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 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 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
Microsoft's preview update for Windows 11, KB5079391, initially supported display refresh rates exceeding 1,000Hz, potentially reaching up to 5,000Hz. The update was applicable to Windows 11 versions 25H2, 24H2, and 26H1. It introduced enhancements such as improved auto-rotation and HDR reliability, better power efficiency for USB4-connected monitors, detailed image descriptions for Copilot and Copilot+ PCs using Narrator, and redesigned dialog boxes in the Accounts settings menu. However, Microsoft retracted the update on March 27 due to installation issues, with plans to roll out the enhancements in a future release.
Winsage
March 30, 2026
On March 26, Microsoft released a non-security preview update for Windows 11, known as KB5079391, which included display enhancements such as support for refresh rates exceeding 1000 Hz, improved auto-rotation, HDR reliability, and increased power efficiency for USB4-connected monitors in sleep mode. However, the update was retracted on March 27 due to installation issues. The update aims to support refresh rates up to 5,000 Hz, aligning with trends in hardware development, including reports of 2,000 Hz displays expected by 2030. Additionally, the update introduced "rich image descriptions" for Copilot and Copilot+ PCs using the Narrator feature and improved the design of dialog boxes in the Accounts settings menu. It is applicable to Windows 11 versions 25H2, 24H2, and 26H1.
Winsage
March 30, 2026
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.
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