Microsoft update Archives

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September 1, 2026

Windows 11 Updates Trigger False Antivirus Warnings & Cursor Glitches

Microsoft is addressing two notable issues in Windows 11. The first is a harmless glitch that falsely indicates "Microsoft Defender Antivirus is turned off," which does not impact the antivirus's functionality. Users are advised to wait for a Microsoft update to resolve this. The second issue involves mouse customization settings not saving correctly since the August 27th update, although it only affects cosmetic preferences and not critical settings like pointer speed. Additionally, Microsoft has identified a solution for a game-breaking bug related to the "inpoutx64" driver, which will now be automatically blocked when launching Arc Raiders, with plans to extend this block to Marvel Tokon: Fighting Souls. Developers at Embark Studios have also implemented fixes for affected games, except for Tokon, for which players should use Microsoft's official workaround until a permanent solution is available.

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August 17, 2026

Windows 11 KB5121003 now crashing games and causing Windows Hello issues

A surge of reports regarding game crashes and launch issues on Windows platforms has prompted Microsoft to provide resources through its Update Catalog to assist users. Players have faced unexpected crashes and difficulties launching games due to factors like software incompatibilities and outdated drivers. The Microsoft Update Catalog offers driver updates, patch releases, and guides to help users troubleshoot these gaming issues.

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August 11, 2026

Windows 11 KB5121003 & KB5120240 cumulative updates released

Microsoft has released cumulative updates KB512103 and KB5120240 for Windows 11 versions 25H2, 24H2, and 23H2, addressing security vulnerabilities, bugs, and introducing new features. These updates include the August 2026 Patch Tuesday security patches, which address 400 vulnerabilities. Users can install the updates via Start > Settings > Windows Update or manually from the Microsoft Update Catalog. This is the eighth 'Patch Tuesday' release of 2026, with no exclusive changes for either version. Key enhancements in the August 2026 update include: - File Explorer: Improved file size display, middle-click functionality for folders, resolution of loading issues, and enhanced clarity of file thumbnails. - Windows Search: Better handling of typos in app search and improved relevance of settings in search results. - Voice Access: Introduction of Voice Isolation and Korean language support, along with reliability improvements. - Widgets: Taskbar notification badges now reflect the Windows accent color, and the Lock screen Widgets experience has been simplified. - Start Menu: Improved reliability of view preferences and enhanced keyboard navigation. - Windows Hello: Enhanced Sign-in Security now supports peripheral fingerprint sensors. - Power and Battery: Improved reliability of power settings and restored threshold setting for energy saver activation. - Accessibility: Enhanced Magnifier experience on touch devices. Microsoft has not reported any new issues related to this month's updates.

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July 29, 2026

Windows 11’s optional July update speeds up the Start menu and taskbar

The optional update KB5101684 introduces updated Secure Boot certificates for a broader range of computers, enhancing system security. It is available for manual installation through the Microsoft Update Catalog and will be released to all users during the upcoming Patch Tuesday in August. After installation, Windows 11 25H2 will have a build number of 26200.8973, and Windows 11 24H2 will have a build number of 26100.8973.

Winsage

July 26, 2026

Microsoft finally making much needed improvement to Windows 11 downloads and installs

A significant outage recently affected Microsoft, causing a temporary halt in Windows 11 updates through both the Windows Update channel and the Microsoft Update Catalog. Microsoft is leveraging AI technology to identify vulnerabilities within its updates, addressing security challenges. Users often encounter inconsistencies with the Windows Update progress tracker, leading to uncertainty during the download and installation phases. Microsoft has confirmed improvements in the update management process with the latest Windows 11 24H2 and 25H2 Release Preview builds, including enhancements to the Orchestrator and Arbiter logging components. The update enhances the calculation of update progress in Windows Update Settings and introduces changes to the cleanup logic for improved system performance post-update. These enhancements could benefit users with less powerful PCs, addressing concerns about sluggishness after installations.

Winsage

July 24, 2026

Microsoft shares some details on Azure outage that blocked Windows 11 update downloads

This week, Meta experienced a global outage affecting Facebook users, followed by Microsoft facing performance issues with its M365 services, including Teams and SharePoint. Microsoft also reported difficulties with Azure, impacting Windows 11 updates and the Microsoft Store. The issues began around 11:15 AM PST on July 23, 2026, with a notification to users about the Azure outage affecting Windows Update and related services. Microsoft initiated recovery efforts and by 1:45 PM PST, announced that the issues were resolved and services were restored. Currently, there are no ongoing issues reported on the Microsoft Service Health Status page, but the incident is documented on the Windows Release Health page.

Winsage

July 21, 2026

Microsoft fixes the Windows 11 bug slowing down some Dell PCs

Microsoft released an unscheduled update for Windows 11, designated as KB5121767, targeting users on versions 24H2 and 25H2 to address performance issues on certain Dell PCs and laptops with Intel Innovation Platform Framework drivers. The update aims to fix degraded battery life, increased power consumption, and unexpected system behavior caused by conflicts with these drivers. Affected devices primarily include newer Dell models such as the Precision, XPS, and Pro Max series. Users can obtain the update automatically if they have enabled the relevant option in Windows Update or manually through Settings or the Microsoft Update Catalog. The update modifies the Windows build number to 26200.8894 for 25H2 and 26100.8894 for 24H2 and includes previous security and quality enhancements. Microsoft recommends the update for users experiencing sluggish performance or erratic behavior after July updates, particularly those with recent Dell devices with Intel processors.

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July 20, 2026

Microsoft confirms Windows Server Update Services sync delays

Microsoft is addressing an issue impacting Windows Server Update Services (WSUS) servers, causing synchronization challenges for over a week. WSUS, used to manage updates for Microsoft products across enterprise networks, typically syncs daily with Microsoft Update servers. The ongoing issue has disrupted this process, affecting both client platforms (Windows 10 version 1607 and later) and server platforms (Windows Server 2012 and later). Microsoft acknowledged reports of increased synchronization times and sync operation timeouts, with the situation escalating on July 13, 2026. Mitigation measures were implemented to alleviate synchronization issues for newly installed or rebuilt WSUS servers, and Microsoft is working on solutions for previously affected servers. Synchronization times have been restored for new installations, but efforts continue to assist customers in removing affected metadata from older servers. This is not the first WSUS-related challenge for Microsoft; similar issues occurred in May 2025 and July 2025, with resolutions provided shortly after.

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July 20, 2026

July 2026 Patch Tuesday: KB5101650 Windows 11 Update

On July 14, 2026, Microsoft released cumulative update KB5101650 for Windows 11 versions 25H2 and 24H2, addressing OS Builds 26200.8875 and 26100.8875. This update includes essential security fixes, updates to Secure Boot certificates, and enhanced Remote Desktop Protocol (RDP) defenses against phishing attacks. It consolidates July 2026's security content, addressing known vulnerabilities and introducing functional improvements. The update is critical for minimizing exposure to identified threats and is prioritized for systems managing remote access or nearing certificate expiration. The update enhances Remote Desktop security by supporting SHA-2 certificate thumbprints while retaining SHA-1 for legacy compatibility. It includes new Group Policy options to mitigate phishing risks associated with malicious .rdp files. The curl upgrade to version 8.21.0 incorporates security patches for command-line tools in Windows environments. Secure Boot certificates are automatically updated through Windows updates, ensuring boot security across various hardware. KB5101650 installs primarily through the Windows Update interface, requiring a restart to activate changes. Enterprise environments can use the Microsoft Update Catalog for manual distribution. A temporary restriction affects certain Dell devices with Intel Innovation Platform Framework drivers, which Microsoft plans to address in a future update. The cumulative update resolves a total of 622 Microsoft CVEs, including 416 affecting Windows components. Users are advised to verify and install the update promptly to secure the full suite of improvements.

Winsage

July 13, 2026

Microsoft demystifies how Windows updates work

Microsoft has released a guide on the Windows servicing model, detailing monthly security updates, optional preview releases, hotpatch updates, and feature rollout mechanisms. Patch Tuesday occurs every second Tuesday of the month, delivering cumulative security updates to supported Windows versions. For consumers and small businesses, updates are managed through Windows Update, while enterprises can use various tools like Windows Autopatch and WSUS. Hotpatch updates, which focus on security fixes, can be installed without a restart, unlike quarterly baseline updates that require one. Optional non-security preview updates are released in the fourth week of each month for testing upcoming fixes and new features, available only for the latest supported Windows versions. Unmanaged devices can access these updates through Windows Update settings, while IT-managed devices depend on organizational policies. Microsoft also issues out-of-band updates to address urgent issues, which can be deployed through enterprise management tools. New features for Windows 11 are rolled out throughout the year via various channels, with a gradual rollout strategy to monitor quality and compatibility, using the Controlled Feature Rollout approach.