Windows 11 KB5074109: Issues & Fixes

Windows 11 update KB5074109 Plagued by Bugs, Users Report

A wave of issues has emerged following the release of Windows 11 cumulative update KB5074109 on January 13th, impacting users of both the 25H2 and 24H2 versions of the operating system. Reports indicate a range of problems, from display failures to application malfunctions, raising concerns about the stability of the latest release.

Black Screen Issues and GPU Compatibility

The most widely reported issue is a black screen appearing after installation, which is strongly suspected to be caused by incompatibility with NVIDIA and AMD GPU drivers. According to user reports, updating graphics drivers is highly likely to resolve the problem.While Microsoft has not officially confirmed the root cause, the prevalence of the issue suggests a widespread compatibility conflict.

Did you know? – Cumulative updates, like KB5074109, bundle previously released fixes and improvements into a single package. This streamlines the update process, but can also introduce new issues if not thoroughly tested.

The black screen issue primarily affects users with NVIDIA and AMD graphics cards. Why is this happening? The update appears to be triggering conflicts with existing driver versions. Who is affected? Users with these specific GPUs, notably those who haven’t recently updated their drivers. What is the impact? A complete loss of display output after the update is installed. How did it end? Users have found temporary relief by rolling back to previous driver versions or installing the latest drivers released after the update’s release date.

Outlook and Persistent Processes

Microsoft has confirmed a bug affecting the classic version of Outlook. Users employing POP accounts are finding that the outlook.exe process continues to run even after closing the application. This results in outlook appearing to already be open when attempting to launch it again.As a temporary solution, users can terminate the process through the Task Manager or uninstall the update.

Pro tip – Before installing any Windows update, it’s a good practice to back up your important files. This ensures you can restore your system if an update causes unexpected problems.

The Outlook issue centers around POP accounts, a less common email configuration. why is Outlook not closing? A bug in the update causes the process to remain active in the background. Who is affected? Users of the classic Outlook desktop application using POP email accounts. what is the impact? Outlook appears to be constantly running, preventing new instances from launching. How did it end? Microsoft acknowledged the bug and suggested terminating the process via Task Manager or uninstalling the update as a workaround,with a permanent fix expected in a future release.

Azure Virtual Desktop and Microsoft 365 Login Problems

Another confirmed issue impacts Azure Virtual Desktop and Microsoft 365 users.Some clients are unable to log in using Remote Desktop Protocol (RDP) via the Windows App. Microsoft recommends utilizing the standard Remote Desktop client or the Windows App web client as a workaround.

File Explorer Bug Alters Folder customization

A further bug affects File Explorer, preventing the system from respecting the localizedresourcename directive within the desktop.ini file. This directive is commonly used to customize folder names. Consequently, windows 11 is reverting to displaying the original folder names, disrupting user-defined personalization.

The early issues with KB5074109 highlight the challenges of large-scale software updates and the importance of thorough testing and driver compatibility checks. As microsoft addresses these bugs, users are advised to monitor official channels for updates and potential fixes.

Reader question – Have you experienced any issues after installing KB5074109?