Patchday: Current Windows update causes apps to crash – this is how you solve the problem!

A Windows update that was only released on patch day paralyzes apps and causes error messages. How to solve the problem.

An update just released for Windows 11 on May 2022 patchday is causing Windowslatest apps to crash, according to IT news site.

Error Description

The problem child listens to the designation KB5013943. This patch is part of the “May 2022 Cumulative Update” and is installed by default. According to reports from the USA and an entry at Microsoft, a number of Windows 11 applications crash after installing KB5013943, Windows 11 sometimes also issues the error code 0xc0000135, and there is also talk of blue screens. This should be the case with apps that use the Microsoft .net framework runtime environment. For example, Discord and Microsoft Teams as well as KeePass are said to crash.

On Reddit, an affected user writes that the Sound Blaster Command app no ​​longer started after installing KB5013943. After the user manually uninstalled KB5013943, the Sound Blaster Command app started working again. Other users seem to have solved the problem by reinstalling the .net framework after installing KB5013943. If the .net framework is not installed at all, it must be activated.

How to solve the problem

Borncity has published a guide for administrators on how to fix the .net framework here. Alternatively, search for “features” in the Windows search and then select “Turn Windows features on and off” from the control panel. There you then mark the checkbox in front of .net-Framework 3.5 and then restart the PC. Microsoft provides instructions for this here.

Here you can reactivate the .net framework.


Here you can reactivate the .net framework.


You can download the .net framework here.

Alternatively, you can of course uninstall KB5013943 manually in the Windows settings. However, this is a security update, so it should actually remain installed. However, if you are affected by the problems described above and want to remove KB5013943, then go to the Windows settings under “Update & Security” to “Show update history”. Click on “Uninstall Updates” and then select and remove said update KB5013943.

Optionally, downgrading to Windows 10 is of course always a viable alternative – if you are annoyed by the constant bugs of the “current” Microsoft operating system. There had already been indications of a similar problem during the preparation of the patch and apparently the problem slipped through all test levels up to the final version of the patch.

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