Fix: Update KB5018427 and KB5018418 Not Installing on Windows 11

Lately, Microsoft released Update KB5018427 for Windows 11 22H2 version and Update KB5018418 for Windows 11 21 H2 version respectively. These updates come with several fixes and improvements to improve your system performance. In this, Update KB5018427 was welcomed as the first update for Windows 11 22 H2 version. But unfortunately, a few users complain that they are not able to install these updates on their system after many attempts, and they are worried about it.

If you are also suffering from installing Update KB5018427 and KB5018418 on your Windows 11 then you are not alone. In this article, we have listed a few solutions for your issue, and you could easily go over the limitations of Microsoft’s previous update. Then let’s have a look.

Fix 1: Run Update Troubleshooter

As a first attempt to resolve the Update KB5018427 and KB5018418 not installing on Windows 11 issue is running the Update troubleshooter tool. To do so,

  • Open Start menu-> Settings->System->Troubleshooter->Other troubleshooter->Windows Update and click on the Run button.
  • Now retry to install those updates on your system and see the result.

Fix 2: Use Windows 11 Installation Assistant

If you couldn’t download and install Update KB5018427 and KB5018418 on your Windows 11, then you should install Windows 11 Installation Assistant and see the result. To do so,

  • Go to Windows 11 Installation Assistant page-> click the Download Now button under Windows 11 Installation Assistant section.Windows 11 Installation Assistant
  • Now install the file on your system and retry to install the latest updates.

Fix 3: Run SFC Scan

Sometimes repairing system files will help you to install Update KB5018427 and KB5018418 on your Windows 11 smoothly. To do so,

  • Open Command Prompt window (type cmd in the search box)->type Sfc /scannow and press Enter.
  • Now type the following commands and press Enter again,

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

  • Finally, you might be able to install the latest updates on your system without any issues. 

Fix 4: Use Windows 11 Media Creation 

Sometimes installing Windows 11 Media Creation tool will allow you to install Update KB5018427 and KB5018418 on your Windows 11. To do so,

  • Open the Windows 11 Media Creation page->click on Download Now button under Windows 11 Media Creation section.Windows 11 media creation tool
  • Now install the file on your system and retry to install the latest updates. 

Fix 5: Reset Windows Update Service

At times, resetting the Windows Update service will allow you to install Update KB5018427 and KB5018418 on your Windows 11 without any trouble. To do so, 

  • Open Services window-> right-click on Windows Update->Properties.Services
  • Now select Startup type as Automatic-> Service status as Running
  • Once done, you should be able to install the latest updates. 

Fix 6: Reset Windows Update Component 

Another solution to resolve your Update KB5018427 and KB5018418 not installing on Windows 11 issue is resetting Windows Update Component. To do so, 

  • Open Command Prompt window (type cmd in the search box)->type the following commands and press Enter,

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, restart the system, and you can retry to install the latest updates.

Fix 7: Use Microsoft Update Catalog

If you prefer to manually installing the latest updates on your system, you can use the Microsoft Update Catalog. To do so,

  • Open Microsoft Update Catalog-> type, KB5018427/ KB5018418 in search box.Microsoft Update Catalog
  • Download the file suitable for your system and install it.
  • You are done with the latest update installation process.

These are all about the fixes to install Update KB5018427 and KB5018418 on your Windows 11 without any issues. If you have any concerns related to the information given above, then you can list your doubts in the command box below.