Known Issue
Microsoft fixes game, app crashes caused by recent Windows update
Microsoft has fixed a known issue that caused games and Windows 11 apps using AC-3 (Dolby Digital) audio decoding to crash after installing the September 2026 preview update (KB5124010). While KB5124010 is an optional update that requires clicking a “Download and install” link (reducing the number of potentially affected Windows users), it installs automatically on […]
Microsoft fixes classic Outlook bug that hid Copilot buttons
Microsoft has fixed a known issue that removed the Copilot Chat and Copilot buttons in the classic Outlook desktop mail client for some Windows users. As explained in an updated support document, affected users with the Copilot Chat (Basic) license or a Microsoft 365 Copilot (Premium) account no longer saw Copilot buttons in the side […]
Microsoft: October Windows Server updates break Exchange sign-in, mail flow
Microsoft has confirmed that this month’s Windows Server security updates are causing OWA sign-in and mail delivery issues on some Exchange Server systems. In a new Windows release health dashboard update over the weekend, Microsoft said users may have trouble accessing email or signing in to Outlook after installing the latest updates on systems running […]
Microsoft: October Windows update may break Smart App Control
Microsoft says some users may have trouble turning on Smart App Control after installing this month’s KB5127648 Windows 11 security update. Smart App Control is a Windows 11 security feature that uses Microsoft’s app intelligence services and code integrity features and works alongside Microsoft Defender and SmartScreen to block potentially harmful apps or binaries. According […]
Microsoft fixes bug causing Windows black screens, Explorer crashes
Microsoft has resolved a known issue that was causing black screens, desktop loading issues, and Explorer crashes after installing Windows 11 updates released since August. As Microsoft explained when it acknowledged the issue last month, affected users experienced multiple symptoms, most commonly a black screen after sign-in, being unable to access their desktop until they […]
Microsoft fixes VPN issues caused by September Windows updates
Microsoft has resolved a known issue that caused Always On VPN connection issues after installing the September 2026 Windows 11 security updates. The Always On VPN remote access solution replaced the legacy DirectAccess technology and works with domain-joined, non-domain-joined, and Microsoft Entra ID–joined Windows 10, Windows 11, and Windows Server devices. Always On VPN runs […]
Microsoft: Recent Windows updates may trigger Remote Desktop failures
Microsoft has confirmed that non-admin users may be unable to connect to devices via Remote Desktop after installing recent Windows updates if the “Administrator protection” security feature is enabled. This feature began rolling out with the KB5067036 preview cumulative update to systems running Windows 11 24H2/25H2 in October 2025, and it is now enabled by […]
Microsoft Windows KB5124010 update crashes some games and apps
Microsoft confirmed over the weekend that some games and applications using AC-3 (Dolby Digital) audio decoding will crash after installing the September 2026 KB5124010 Windows 11 preview update. KB5124010 is an optional update that requires users to click the “Download and install” link, which should reduce the number of potentially affected Windows users. However, it installs automatically […]
Microsoft: Recent Windows updates cause desktop loading issues
Microsoft has confirmed that some users may experience desktop loading issues, including black screens, after installing the August 2026 preview updates and subsequent updates. However, the company says this mainly affects Azure Virtual Desktop (AVD) hosts using FSLogix (a software solution that speeds up user profile loading in virtual desktop environments). Windows users affected by […]
Microsoft fixes bug that broke Windows File History backup feature
Microsoft has fixed a known issue that breaks the built-in File History backup feature on some Windows systems after installing the September 2026 security updates. File History, introduced in Windows 8 and later replaced by Windows Backup, automatically backs up the user’s account profile (Documents, Music, Pictures, Videos, and Desktop) to an external hard drive, […]