How to Fix Update KB5013943 Not Installing on Windows 11

Microsoft recently rolled out the Cumulative Update KB5013943 for Windows 11 systems. The latest update addresses around 27 improvements and fixes in which fixes for screen flickers in Safe Mode and a bug causing some NET Framework 3.5 apps not to open are important ones. Owing to these improvements and fixes, users have tried to install this update on their system and failed to make the process successful.

If you are having trouble installing the KB5013943 update on your Windows 11, you can follow this article. Thankfully, there are a few solutions available to all users to overcome the same trouble; we have listed those solutions in the below section. So go through the solutions without any worries and try again to install the Update KB5013943 on your system successfully. Let’s have a look.

Fix 1: Run Update Troubleshooter

As a first try to install the Update KB5013943 on your Windows 11 is to run the built-in Update Troubleshooter on your system. To do so, 

  • Firstly, go to the Start menu and choose the Settings app from the menu list.
  • On the next screen, select the System and click on the Troubleshooter.
  • Then choose the Other troubleshooters option, select the Windows Update and click on the Run button beside the same.
  • Finally, restart the system and retry to install the pending update.

Fix 2: Install Windows 11 Installation Assistant

Another troubleshooting solution for installing the Update KB5013943 on your Windows 11 is reinstalling the Windows 11 Installation Assistant tool, which is so useful for removing obstacles while installing the latest update. To do so, 

  • Firstly, launch the web browser and go to Windows 11 Installation Assistant webpage.Windows 11 Installation Assistant
  • On the new screen, select the Windows 11 Installation Assistant and click on the Download now button.
  • Once done, restart the system and retry to install the problematic updates.

Fix 3: Install Windows 11 Media Creation Tool

If the above solution does not help you, then you should install the Windows 11 Media Creation Tool as well. To do so,

  • Firstly, launch the web browser and go to the Windows 11 Media Creation Tool web page.
  • In the new screen, select the Windows 11 Media Creation tool and click on the Download now button, and continue the process.
  • Finally, restart the system and retry to install the problematic update.

Fix 4: Run SFC Scan

In case any system files become corrupted, it will affect the functionality of your system and keep you from installing Update KB5013943 on Windows 11. In this instance, you can run the SFC utility to detect and repair the corrupted files. To do so, 

  • Firstly, type “cmd” in your computer search box and launch the Command Prompt window as Run as Administrator.  
  • Inside the new screen, type the following command to repair corrupted files and then press Enter,

 Sfc /scannowsfc/ scannow

  • Once done, type the following commands to restore the repaired files and press Enter,

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

  • Finally, restart the system and retry to install the problematic update.

Fix 5: Reset Windows Update Service

If you are not allowed to install the Update KB5013943 on your Windows 11, you should check that all Windows Update services are working properly. If not, you need to change the status of its services to running and restart the services. To do so, 

  • Firstly, type “services” on your computer search box and open the first search result.
  • On the next screen, scroll down and select the Windows Update service, right-click over it and select its Properties.Services
  • In the Properties window, set the Startup type as Automatic and Service status as Running. 
  • Then click on the Restart the service option to complete the process. 
  • Finally, restart the system and retry to install the problematic update.

Fix 6: Use Microsoft Update Catalog

If your system does not allow you to install the Update KB5013943 automatically, you need to install it from the Microsoft Update catalog page manually. To do so, 

  • Firstly, launch the browser and go to the Microsoft Update Catalog webpage.
  • Then in the search box, type Update KB5013943 and press Enter button.
  • From the next screen, download the suitable file according to your system version and install it on your system.

Fix 7: Reset Windows Update Components

If none of those mentioned above solutions help you, then you should try to reset all Windows Update components and try again to install the problematic update. To do so, 

  • Firstly, type ‘cmd’ in your search box and open the Command Prompt window with Admin access.
  • In the new window, type the following commands and press Enter button, 

SC config trustedinstaller start=auto

 net stop bits

 net stop wuauserv

 net stop msiserver

 net stop cryptsvc

 net stop appidsvc

 Ren %Systemroot%\SoftwareDistribution SoftwareDistribution.old

 Ren %Systemroot%\System32\catroot2 catroot2.old

 regsvr32.exe /s atl.dll

 regsvr32.exe /s urlmon.dl

l regsvr32.exe /s mshtml.dll

 netsh winsock reset

 netsh winsock reset proxy

 rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN

 dism /Online /Cleanup-image /ScanHealth

 dism /Online /Cleanup-image /CheckHealth

 dism /Online /Cleanup-image /RestoreHealth

 dism /Online /Cleanup-image /StartComponentCleanup

 Sfc /ScanNow 

net start bits

 net start wuauserv

 net start msiserver

 net start cryptsvc

 net start appidsvc

  • After executing all the commands exit from the screen and retry to install the pending update.

These are all about the Update KB5013943 not installing on Windows 11 issue and its reliable solutions. If you have any queries or concerns regarding this article, you can leave a comment in the comment box below.