Fix Apps not working after installing KB5013943 – Your Windows Guide

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Microsoft, on its Patch Tuesday launched updates to all of the supported variations of Windows, together with Windows 10 and Windows 11. Concurrently, the replace numbers have been KB5013942 and KB5013943 for Windows 11 and Windows 10. This article discusses appropriate a identified concern, the place the apps refuse to open and cease working after installing the Cumulative replace for Windows 11, KB5013943.

Many customers throughout the social platform have reported errors opening sure apps the place the .NET framework is put in.

I up to date my PC to May 10, 2022—KB5013943 and the replace went easily however after the restart, I discovered the Corsair ICUE app was not working properly the app begins however Corsair Service failed to begin and I maintain getting error notifications for it.

I checked it and the Corsair service is not working in any respect I attempted to restart the service and begin it manually didn’t work and obtained this error:

After installing this replace (or after some updates have been put in) most of my apps stopped working:

– VS22 installer

– KeePass

– Teams

– ShareX

– another apps nonessentials to make use of this PC to proceed my job.

Known concern is listed within the launch notes.

In different phrases, Microsoft has already listed this concern in Release notes. However, The root reason behind the issue is .NET framework 3.5 being disabled in non-obligatory options. Subsequently, If you allow the identical, your apps would begin working accurately.

Windows 11 known issues and notifications | Microsoft Docs

Enable .NET Framework 3.5 in non-obligatory options to resolve the problem

To allow the .NET Framework 3.5 non-obligatory characteristic, see the steps beneath:

  1. Right-click Start and choose Windows Terminal(admin).
  2. Consequently, enter the instructions beneath one after the other:
    • dism /on-line /allow-characteristic /featurename:netfx3 /all
    • dism /on-line /allow-characteristic /featurename:WCF-HTTP-Activation
    • dism /on-line /allow-characteristic /featurename:WCF-NonHTTP-Activation
  3. After these 3 instructions, exit and restart your laptop.

If you’ve already enabled it, disable all .NET Frameworks together with 3.5 and 4.8, click on OK, after which re-allow it once more.

Afterward, the issue raised by KB503943 can be resolved.

.net framework
Similarly, you may also allow .NET Franework 3.5 from the optionalfeatures.exe

Additionally, If you’ve points on Windows 10 as properly, think about attempting these steps too. Certain studies point out Event viewer now not opens after installing KB5013942.

Further verify:

Troubleshoot Apps in Windows 11

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