Tag: Microsoft

Microsoft says it’s still investigating a known issue that causes the Copilot and Copilot Chat buttons in Classic Outlook to disappear for some Windows users. As it acknowledged when it announced a fix via a service change in June, this affects only customers with the Copilot Chat (Basic) license or a paid M365 Copilot (Premium) […]

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 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 […]

Windows admins report that the September 2026 cumulative updates are causing Remote Desktop Services (RDS) failures on Windows Server 2019, 2022, and 2025 systems, preventing users from connecting and, in some cases, requiring a hard reset to restore functionality. The problems appear after installing this month’s Microsoft September 2026 Patch Tuesday cumulative updates, with many […]

Microsoft Excel users report that this week’s KB5002914 Office security update is breaking copy-and-paste operations and formula dragging, with affected users saying that removing or rolling back the update restores normal functionality. Microsoft released the security update this week as part of its September 2026 Patch Tuesday, and reports of the problem soon appeared on […]

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 is working to resolve a known issue that causes delays or blocks some users from opening the Microsoft Teams desktop client on Windows systems. The company acknowledged this known issue (tracked as TM1466820) at 16:45 EDT on Thursday and advised affected customers to work around it by using the web or mobile platforms. “Specifically, […]

Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. The company first acknowledged this incident (tracked under EX1467029) at 02:19 AM EDT, when it began investigating reports of intermittent “Server busy” errors. “This issue impacts users who may be attempting to send and […]

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 […]