windows 11
Microsoft to retire Microsoft 365 Companion apps in December
Microsoft announced that it will retire the Calendar, People, and Files Microsoft 365 companion apps on December 16 and urged admins to remove them from managed devices in their organization. This follows Microsoft’s October 2025 announcement that it will begin automatically installing them on all Windows 11 enterprise devices with the Microsoft 365 desktop client […]
Microsoft: September updates break File History backup feature
Microsoft warned that the built-in File History backup feature in Windows may stop working on some systems after installing the September 2026 security updates. File History (introduced in Windows 8 and replaced by Windows Backup, which backs up data to OneDrive) automatically saves copies that let users recover accidentally deleted or damaged files using an older version […]
Microsoft fixes bug behind ‘Defender Antivirus is turned off’ alerts
Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates. In a Windows release health dashboard update on Thursday, Microsoft said the issue was fixed in the Microsoft Defender Antivirus update (version 4.18.26080.4) released on September 17. The company acknowledged the bug in late […]
Windows 11 24H2 Home and Pro reach end of support in October
Microsoft reminded customers this week that devices running Windows 11 24H2 Home and Pro editions will stop receiving updates next month. However, under Microsoft’s lifecycle policy, Windows 11 24H2 Enterprise and Education editions remain under mainstream support until October 2027. “On October 13, 2026, Windows 11, version 24H2 Home and Pro editions, and Windows 10 […]
Microsoft shares workaround for Windows domain login issues
Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 security updates. According to widespread reports from users and IT administrators on Microsoft’s Q&A forums, Reddit, and other online platforms, this bug breaks domain trust relationships on […]
Windows 11 KB5124008 update breaks domain trust for some users
Microsoft is investigating reports that the Windows 11 KB5124008 security update is breaking domain trust relationships on some enterprise systems, preventing users from logging in with valid domain credentials. Administrators report on Reddit and Microsoft’s Q&A forums that affected computers lose their secure channel with Active Directory after the Windows 11 update is installed and […]
Microsoft releases emergency Windows updates to fix RDS failures
Microsoft has released emergency out-of-band Windows updates to fix Remote Desktop Services failures caused by this month’s security updates, along with Hyper-V and USB audio problems on some Windows versions. The September 2026 security updates caused Remote Desktop Services (RDS) to become unstable on affected systems, leading to RDP connection and sign-in failures and, in […]
Microsoft: September updates cause RDS failures on Windows Server
Microsoft has confirmed reports that the September 2026 security updates cause Remote Desktop Services (RDS) failures on Windows Server systems. According to a release health update on Friday, this known issue impacts Windows Server 2012 and later, as well as Windows 10 and Windows 11 devices. This confirmation follows widespread reports from Windows admins that […]
Microsoft: September updates break audio on some Windows PCs
Microsoft has confirmed that USB audio devices may fail on some Windows systems after installing the KB5124008 and KB5124012 September 2026 security updates. This known issue affects only devices running Windows 11, version 24H2 or later, and is limited to USB Audio Class 1.0 devices. “After installing the September 8, 2026, Windows security update [..], […]
Microsoft fixes Teams, Outlook launch failures on ARM Windows PCs
Microsoft has fixed a bug that prevented Teams and Outlook from launching after installing updates released since the August 2026 Patch Tuesday. The company confirmed last week that this known issue affects users who haven’t installed Microsoft Store updates on ARM-based Windows devices (such as the Surface Pro 11 and Surface Laptop 7) running Windows […]