windows
Microsoft says September updates fix mouse settings reset issues
Microsoft has fixed a known issue that wiped mouse settings on some Windows 11 systems after installing the KB5120998 August 2026 preview update. According to user reports, mouse cursor personalization settings automatically changed or reset after installing this buggy update, and users couldn’t restore them even after uninstalling KB5120998 from affected devices. Microsoft confirmed the issues on Friday, […]
Microsoft fixes bug that wiped Windows desktop settings
Microsoft says the September 2026 Patch Tuesday updates fix a known issue causing desktop settings to be lost or reset on some Windows devices. The company confirmed last week, after a wave of user reports that their wallpaper switched to a black background automatically, that this bug is triggered after installing the KB5120998 August 2026 preview update on Windows 11 24H2 and Windows 11 25H2 […]
Windows 11 cumulative updates KB5124008 & KB5122880 released
Microsoft has released Windows 11 KB5124008 and KB5122880 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. Today’s updates are mandatory as they contain the September 2026 Patch Tuesday security patches for 1,000 vulnerabilities discovered in previous months. You can install today’s update by going to Start > Settings > Windows Update and clicking on ‘Check for Updates.’ You can also manually download […]
August updates trigger 0xc0000409 errors on Windows Server 2016
Microsoft says the August 2026 security update may trigger 0xc0000409 errors on Windows Server 2016 systems where the Compatibility Appraiser diagnostic service is enabled. On affected systems, users will see the CompatTelRunner.exe (Compatibility Appraiser Telemetry Runner) process crashing. Microsoft Compatibility Appraiser, which controls CompatTelRunner and is a Windows Compatibility Telemetry component, is a background system […]
Microsoft: Windows Server 2025 changes causing app crashes
Microsoft warned customers last week that they may experience application crashes on some Windows Server 2025 due to recent memory management changes. This known issue affects apps that use Address Windowing Extensions (AWE), a set of extensions that lets an application use more than 4GB of physical memory within a 32-bit virtual address space. “Applications running on […]
Microsoft: KB5120998 mouse reset bug affects only non-English PCs
Microsoft says a known issue that reverts mouse settings after installing the KB5120998 August 2026 preview update affects only non-English Windows 11 systems. The bug was confirmed Friday, one day after the KB5120998 release, which includes Start menu, taskbar, and Windows search improvements for devices running Windows 11 versions 25H2 and 24H2. According to user reports, mouse […]
Microsoft says KB5120998 Windows update resets desktop settings
Microsoft has confirmed that desktop settings are lost or reset on some Windows devices after installing the KB5120998 August 2026 preview update. Microsoft’s confirmation follows a wave of user reports saying their wallpaper switched to a black background automatically after installing this Windows update. The known issue impacts systems running Windows 11 24H2 and Windows 11 25H2, and it may affect the wallpaper, the desktop […]
Microsoft Teams, Outlook fail to launch on ARM-based Windows PCs
Microsoft is working to fix a known issue that causes crashes and launch failures for Microsoft Teams and New Outlook users after installing updates released since the August 2026 Patch Tuesday. These issues affect only ARM-based Windows devices like the Surface Laptop 7 and Surface Pro 11 that run Windows 11 24H2 or later, and […]
Microsoft says Windows 11 KB5120998 update resets mouse settings
Microsoft has confirmed that the KB5120998 August 2026 non-security preview update is reverting mouse settings on Windows 11 systems. According to user reports, mouse cursor personalization settings are either being changed or reset automatically after installing the KB5120998 update. More importantly, affected Windows 11 users will not be able to restore the previous mouse settings […]
Microsoft asks users to ignore ‘Antivirus is turned off’ errors
Microsoft asked customers this week to ignore incorrect alerts that Defender Antivirus has been turned off after installing the latest Defender updates. Although this issue has been affecting users in the Release Preview Channel of the Windows Insider program since June, it appears Microsoft didn’t notice it until now. The erroneous alerts appear on affected systems in the Windows […]