Windows 11 25H2
Windows KB5121767 OOB update fixes shutdowns on some Dell PCs
Microsoft has released emergency updates to fix a known issue causing some Dell PCs to experience performance issues or shut down after installing the July 2026 Windows 11 security updates. As detailed when Microsoft acknowledged the issue on Tuesday, it affects only Dell systems that have installed the KB5101650 cumulative update on Windows 11 25H2 and 24H2 devices. […]
Microsoft: Some Dell PCs shut down after recent Windows updates
Microsoft is blocking this month’s Windows 11 security updates on some Dell devices because they are causing shutdowns and performance issues. This known issue affects only Dell systems after installing the KB5101650 cumulative update released this Tuesday for Windows 11 25H2 and 24H2 devices. “After installing the June 23, 2026, Windows preview update (KB5095093), a limited number of Dell […]
Microsoft: Some Windows PCs fail to install latest monthly updates
Microsoft warned customers on Tuesday that they may have issues installing the latest monthly updates on some Windows devices that were upgraded to Windows 11 24H2 or 25H2. On affected systems, users will see 0x80073712 or 0x800f0993 errors when trying to install the June 2026 cumulative updates. “A small percentage of devices running Windows 10, […]
Microsoft fixes KB5089549 Windows security update install issues
Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). As Microsoft explained when it acknowledged the issue two weeks ago, these failures are caused by insufficient free space on the EFI System Partition (ESP), which results in the update automatically rolling back on impacted […]
Windows 11 KB5089573 update released with performance improvements
Microsoft has released the KB5089573 preview cumulative update for Windows 11 versions 25H2 and 24H2, which comes with 30 changes, including performance and reliability improvements. The KB5089573 update is part of the company’s non-security preview schedule, designed to introduce new features and fixes at the end of each month, allowing IT admins and users to test them […]
Microsoft confirms patching issues in restricted Windows networks
Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the January 2026 optional non-security preview updates. In Windows network-restricted environments, ranging from fully isolated, air-gapped systems to strictly firewalled networks, affected systems will display error code 0x80010002 when updating through Windows Update. “Affected devices might be able to download the […]
Microsoft confirms Windows 11 security update install issues
Microsoft has confirmed that the May 2026 Windows 11 security update (KB5089549) fails to install on some systems and triggers 0x800f0922 errors. This known issue is caused by insufficient free space on the EFI System Partition (ESP), which results in the update automatically rolling back on affected devices. “This issue affects devices with limited free […]
April KB5083769 Windows 11 update causes backup software failures
The April 2026 KB5083769 security update breaks third-party backup applications from multiple vendors on systems running Windows 11 24H2 and 25H2. According to user reports, first spotted by Microsoft MVP Susan Bradley, this issue affects software using VSS (Volume Shadow Copy Service) snapshots and causes failures due to a VSS service timeout. Microsoft VSS was introduced in Windows […]
Microsoft now lets admins uninstall Copilot on enterprise devices
Microsoft says IT administrators can now uninstall the AI-powered Copilot digital assistant from enterprise devices using a new policy setting, which has become broadly available after the April 2026 Patch Tuesday. RemoveMicrosoftCopilotApp is available as a Policy CSP and Group Policy after deploying this month’s Windows security updates on endpoints managed via Microsoft Intune or System Center […]
Microsoft now force upgrades unmanaged Windows 11 24H2 PCs
Starting this week, Microsoft has begun force-upgrading unmanaged devices running Windows 11 24H2 Home and Pro editions to Windows 11 25H2. According to the company’s Lifecycle Policy site, Windows 11 24H2 will reach end of support in roughly six months, on October 13, 2026. Also known as the Windows 11 2025 Update, Windows 11 25H2 began rolling […]