Fix: Update KB5026372 Failed to install on Windows 11

Microsoft has released a new cumulative Update KB5026372 for Windows 11 22H2 version with more than 20 changes and improvements. The fixes in this new update will resolve the 0xc0000005 violation error code caused by an unresponsive Local Security Authority Subsystem Service (LSASS). But some users have recently complained that when they try to install the KB5026372 update on their system, the process fails.

If you are looking for a reliable and fast solution to install the KB5026372 update on your Windows 11, you can follow this article. Here are some solutions that will ease your way to install the latest update and enjoy the new features. Have a look. 

Fix 1: Restart the System

The first attempt to resolve the Update KB5026372 Failed to install on Windows 11 is restarting the system. By this time, most minor errors will get removed from the system, and you can install the update smoothly.

Fix 2: Run Update Troubleshooter

Sometimes using the Update troubleshooter tool will help you to resolve hidden issues and help you to install Update KB5026372 on your Windows 11. To do so, 

  • Open the Start menu ,and go to the Troubleshooter option and choose Other troubleshooter. 
  • Then locate Windows Update and click the Run button and complete the process to install the latest update. 

Fix 3: Install Installation Assistant  

You can also try to install Windows 11 Installation Assistant to resolve your issue. To do so, 

Windows 11 Installation Assistant
  • Then retry to install the update and enjoy its latest features. 

Fix 4: Use Media Creation Tool

If the above fix does not help you, then you should reinstall the Media creation tool as well. To do so, 

  • Open Windows 11 Media creation page, choose Windows 11 Media creation section, click the Download Now button and install the file on your Windows. 
Windows 11 media creation tool
  • Then retry to install the latest updates, and you should complete the process successfully. 

Fix 5: Reset Windows Update Component 

Another solution to install Update KB5026372 on your Windows 11 is resetting the Windows Update Component. To do so, 

  • Open the Command Prompt screen( type â€œcmd” in the desktop search box).
  • Then inside the new screen, enter the following command and click on the OK 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

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

  • Finally, retry to install the latest update, and you might succeed now. 

Fix 6: Reset Windows Update Service

Resetting the Windows Update service might help you to resolve the Update KB5026372 Failed to install on Windows 11 issue. To do so, 

  • Open the Services menu, select and right-click on Windows Update and select the Properties option.
  • Inside the newly opened windows, set the Start type as Automatic and Service Status as Running option and save the changes. 
  • Finally, try again to install the discussed update. 

Fix 7: Use Microsoft Update Catalog

If all the solutions listed above failed, you should install the update yourself. To do so, 

Microsoft Update Catalog
  • Then install the file on your system and you’re done.  

These are the easy resolution repair Update KB5026372 Failed to install on Windows 11 issue. All the above fixes are tested and proven by experts, so you can try them without any hesitation.