How to Fix Update KB5015814 Not Installing on Windows 11

Microsoft has released a new Update KB5015814, with security updates, a few improvements, and Search Highlights features. The new updates fix issues that prevent your device from upgrading to Windows 11, as well as several notable issues. But a few users recently complained that they are not able to install the Update KB5015814 on their system, and they are worried about it.

If you are having trouble installing Update KB5015814 on your Windows 11, then you are at the right place. In this article, we have listed a few solutions to solve your problem quickly using simple steps. Then without delay, go through the solutions listed below and install the problematic update on your system. Then let’s see. 

Fix 1: Run the Update Troubleshooter

The initial process to install the Update KB5015814 on your Windows 11 system is to run the built-in Update Troubleshooter. To do so, 

  • Firstly, launch the Start menu and click on the Settings app. 
  • Inside Settings, select the System and click on the Troubleshooter option.
  • Then you can select the Other troubleshooters and click on the Run tab next to the Windows Update option 
  • Once done, restart the system and install the discussed update.  

Fix 2: Install Windows 11 Installation Assistant

Sometimes downloading and installing the Windows 11 installation assistant can help you install the Update KB5015814 smoothly. To do so, 

  • Firstly, launch the web browser and navigate to the Windows 11 Installation Assistant page.Windows 11 Installation Assistant
  • In the new screen, choose the Windows 11 Installation Assistant and click on the Download now button and install the tool on your system.
  • Once done, restart the system and try to install the discussed update. 

Fix 3: Install Windows 11 Media Creation Tool

In some cases, you need to reinstall the Windows 11 Media Creation Tool, then only you can install the Update KB5015814 smoothly. To do so,  

  • Firstly, launch the web browser and navigate to the Windows 11 Media Creation tool page.Windows 11 media creation tool
  • On the new screen, go to the Windows 11 Media Creation tool section, click the Download now tab, and install it on your system.
  • Finally, restart the system and install the discussed update easily. 

Fix 4: Run SFC Scan

Another solution to install the Update KB5015814 on your Windows 11 system is running the System File Checker tool. This process will detect the corrupted system file and repair them automatically. To do so,

  • Firstly, type “cmd” in the taskbar search box and open the Command Prompt window with Admin access. 
  • In the command prompt screen, type or paste the following command and press Enter to continue.

Sfc /scannow

  • Once the process gets completed, again type or paste the following commands and press Enter to restore repaired system files, 

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

  • Finally, retry to install the discussed update on your system.

Fix 5: Reset Windows Update Service

In similar cases resetting the Windows Update Service will help you to install the latest updates on your system. To do so, 

  • Firstly, open the Services window on your desktop screen by typing “services” in the search box. 
  • In the new screen, scroll down to select and right-click on the Windows Update, then select Properties from the sub-menu.Services
  • Inside the properties window, set the Startup type as Automatic and Service status as Running. 
  • Once done, click on the Restart the service option from the upper left side of the Services screen and complete the process. 
  • Finally, you will be able to install the discussed update on your system.

Fix 6: Use Microsoft Update Catalog

If you are not able to install Update KB5015814 on your Windows 11, then you need to install the same update from Microsoft Update Catalog. To do so, 

  • Firstly, launch the browser and you can go to the Microsoft Update Catalog page.Microsoft Update Catalog
  • Then type Update “KB5015814” in the search box and press Enter. 
  • On the next screen, choose the file compatible with your system, download and install it on your system. 
  • Now you have installed the latest updates.

Fix 7: Reset Windows Update Component 

If any of the above solutions do not help to install Update KB5015814 on your Windows 11, then you should reset Windows Update Components. To do so, 

  • Firstly, type “cmd” in the taskbar search box and open the Command Prompt window with Admin access. 
  • In the command prompt screen, type or paste the following commands and press Enter to continue.

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

  • Once done, restart the system and now you can install the latest update. 

These are all about installing the Update KB5015814 on Windows 11 and its fixes. If you have any queries or concerns regarding this article, you can leave a comment in the comment box below.