bug affecting

Winsage
May 1, 2026
Microsoft rolled out update KB5083769 for Windows 11 to enhance security, but users have reported issues such as BitLocker lockouts, boot loops, and problems with Remote Desktop functionality. The update is causing compatibility problems with third-party backup applications, including Acronis Cyber Protect Cloud, Macrium Reflect, NinjaOne Backup, and UrBackup Server, due to a bug in the Volume Shadow Copy Service (VSS). Users experiencing backup failures are advised to uninstall update KB5083769 as a temporary solution until Microsoft releases a patch. The timeline for resolving these issues is currently unclear.
AppWizard
April 29, 2026
Total War: Warhammer 3 has received a significant update to its mod manager, released in late 2025, aimed at improving the user experience for modding. Enhancements include faster mass mod activation, reduced startup times for players with many mods, improved search filters for finding specific mods, clearer tooltips, and fixes for bugs related to mod profiles and text legibility. Players can still create 'mod profiles' for easier management of their favorite mods. The update encourages players to explore new mods and provide feedback to the developer, Creative Assembly.
AppWizard
April 23, 2026
World of Warcraft is facing issues following patch 12.0.5, which has caused significant bugs and led to the temporary disabling of housing features in The Americas and Oceania. Effective June 22, 2026, subscription prices will increase in the UK, Kazakhstan, Georgia, and Turkey, with UK players seeing a 10% increase and Kazakhstani players facing up to a 40% hike. Turkish players will be required to pay in Euros instead of the Turkish Lira. The game has maintained a steady subscription rate in the US since 2004, but adjustments have been made in other regions based on market conditions. Players have reported various bugs, including a critical bug affecting player housing, which Blizzard is prioritizing.
Winsage
April 22, 2026
The Microsoft Teams desktop client has a bug affecting users on macOS and Windows after the update to build 26072.519.4556.7438, specifically with the right-click functionality not working. Users are advised to use keyboard shortcuts (Ctrl+C, Ctrl+X, Ctrl+V) for clipboard operations. The issue was first mentioned on the Patchmanagement.org mailing list, referencing issue TM1279908, which noted service degradation alerts from Microsoft 365. Users have reported problems with copying and pasting URLs, text, and images, with the paste option grayed out in the context menu. Microsoft has identified a potential root cause and is rolling out a fix while monitoring telemetry data, with the next status update expected on April 21, 2026.
Winsage
April 20, 2026
Microsoft has confirmed that some administrators are experiencing difficulties installing the KB5082063 security update on Windows Server 2025. This month's Patch Tuesday updates have caused certain Windows servers, especially those with domain controller roles, to enter a restart loop due to failures in the Local Security Authority Subsystem Service (LSASS). Microsoft has released emergency out-of-band updates, including KB5091157 for Windows Server 2025, to address both the installation failure and the restart issues. Additionally, some Windows Server 2025 devices may boot into BitLocker recovery mode after installing the KB5082063 update. A bug affecting Windows Server 2019 and Windows Server 2022 that caused unexpected upgrades to Windows Server 2025 has also been resolved. Microsoft has issued various emergency updates throughout the year to address other issues, including a Bluetooth device visibility bug and vulnerabilities in the Routing and Remote Access Service (RRAS).
Winsage
March 17, 2026
An unusual bug affecting Windows 11 users on Samsung devices prevents access to the main C: drive, following a February 2026 security update (KB5077181). Users receive an "Access denied" message when trying to launch applications or access files. The issue is linked to a Samsung-specific application, particularly the Galaxy Connect and Galaxy Share Folder applications, which may have broken Access Control Lists in Samsung’s factory image for Windows. Affected devices include various models of the Galaxy Book 4 laptops and certain Samsung Desktop models. Users are advised to remove the affected applications or revert to a recommended version while awaiting an official resolution from Microsoft and Samsung.
Winsage
March 17, 2026
Microsoft has identified the Samsung Galaxy Connect app as the source of a significant bug affecting Samsung laptops running Windows 11, which causes "C: is not accessible - Access denied" messages. This issue prevents users from accessing files, launching applications like Outlook and Office, and performing administrative tasks without specific user action. Initially suspected to be related to Samsung Share, the investigation confirmed the Galaxy Connect app as the culprit. The bug has been reported in Brazil, Portugal, South Korea, and India, particularly affecting the Samsung Galaxy Book 4 and other Samsung devices, though a comprehensive list of affected models has not been provided. In response, Microsoft has removed the Galaxy Connect app from the Microsoft Store and is working with Samsung to investigate the issue. Samsung has reintroduced a stable older version of the app to help users. Users are advised not to install or update the Galaxy Connect app and to wait for an official patch, as recovery options for affected devices are currently limited.
Winsage
February 16, 2026
Microsoft resolved a critical bug affecting some commercial systems running Windows 11 that caused boot failures due to an "UNMOUNTABLEBOOTVOLUME" error. This issue was linked to problematic updates from December 2025 and primarily impacted devices on Windows 11 versions 25H2 and 24H2. The resolution was included in the February 2026 Patch Tuesday update, specifically the Windows 11 KB5077181 security update released on February 10, 2026. An initial fix was provided in the optional update KB5074105 on January 29, 2026. Affected devices experienced failures after installing the January 13, 2026, security update KB5074109. Microsoft recommends that enterprise customers with still unbootable systems contact Microsoft Support for Business for assistance.
Winsage
February 15, 2026
Microsoft has acknowledged two issues affecting certain installations of Windows 11: a critical bug causing system crashes for users with specific GPU configurations and a bug impacting WPA3 Wi-Fi connectivity. The first issue leads to a Black Screen of Death (BSOD) with the error code KERNELSECURITYCHECKFAILURE, which has been reported more frequently following recent updates. This error is linked to certain GPU setups encountering a system error involving dxgmms2.sys, a component of DirectX. Microsoft has released the February 2026 Update to address the GPU-related BSOD bug. The second issue prevents some PCs from connecting to WPA3-based Wi-Fi networks, which is related to an optional update released in January 2026 (KB5074105). The February 2026 Update also includes a fix for this connectivity problem, but the rollout is gradual, meaning users may still face issues until fully implemented.
Winsage
January 21, 2026
Windows 11's January update, KB5074109, has caused a bug affecting sleep mode on certain older PCs, leading to system crashes that require hard reboots. Users have reported that the issue appears only when the update is installed and resolves upon its removal. This problem primarily affects older machines using the S3 sleep state, while newer devices with modern standby features are less impacted. A suggested workaround involves unplugging USB webcams. Additional issues reported include freezing with the Outlook app for POP accounts, shutdown failures for enterprise users, and problems with keyboard and mouse functionality. Microsoft has acknowledged some of these issues and has deployed emergency fixes for certain problems.
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