Earlier this month, Microsoft released KB5074109 for Windows 11 as part of its Patch Tuesday security update, bumping it to Build 26200.7623. In the week that it has been available, Neowin has already reported about Remote Desktop breaking for some users and Outlook becoming “completely unusable” as a result of the update. Now, new reports suggest system lockups and app closures when using certain applications after installing KB5074109.
One user, SPMech, posting to Microsoft Learn’s Q&A section, was using BforArtists, a fork of Blender, and experienced a total system lockup when changing Viewport Shading types. This has been happening since the user installed the latest KB update. Explaining their issue, SPMech wrote:
“Desktop system downloaded the recent security update KB5074109 (26200.7623).
When in BforArtists ver5. and change to any viewport shading type the PC locks up. Won't respond to any user input. No blue screen. I have tried uninstalling the update and BforArtists and, then reinstalled BforArtists then the update. Same result. So I have uninstalled and paused the update for now. Hopefully there is a fix from either Microsoft or BforArtists.”
There are no responses to the issue at the time of writing. However, because the system freezes completely, the issue could be due to a driver or graphics stack issue, not just the app crashing by itself. Microsoft or BforArtists could potentially fix the issue if they receive a report, but it seems like it has been caused by Microsoft’s latest round of patches as it started happening after the update.
In a second case reported on the same website, user Eva Kwon has been experiencing an immediate application closure upon login for payroll and remote-access applications. It is unclear if this is related to the Remote Desktop issues previously reported. The user was instructed to uninstall the latest update, however, this has so far been impossible to do, even from Safe Mode, which was recommended by an AI answer on the thread.
The update seems to be incredibly annoying for a number of users, hopefully Microsoft gets around to sorting out these issues in upcoming updates.
Has KB5074109 caused you any issues? Let us know in the comments.
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