Microsoft recently released the Update KB5012592 for Windows 11 systems. Like the previous updates, the latest update brings new improvements and delivers several fixes. The latest update introduces new features in the toast notifications and releases new security improvements. But unfortunately, a few users complained that they could not install the Update KB5012592 on their system and received the Error Code 0x800f0900.

There may be numerous hidden causes for this issue, but thankfully there are a few solutions available there. If you’re having trouble installing the Update KB5012592 on your Windows 11, you’re in the right place. In this article, we have gathered a few solutions to help you install the latest update on your Windows 11 easily. So, let’s have a look.

Fix 1: Run Update Troubleshooter

The first attempt to install the Update KB5012592 on your Windows 11 is to run the 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, you can 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

Sometimes reinstalling the Windows 11 Installation Assistant will help you install the Update KB5012592 without any issue. 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 installing the Windows 11 Installation Assistant feature does not help you, then you need to install the Media Creation tool as well. To do so, 

  • Firstly, launch the web browser and go to the Windows 11 Media Creation Tool webpage.Windows 11 Media Creation Tool
  • 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

If any system files get corrupted, it will interrupt your system’s performance and prevent you from installing the Update KB5012592 on your Windows 11. In this case, you need to run the SFC tool to 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 the press Enter,

 Sfc /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 fail to install the Update KB5012592 on your Windows 11, then you need to reset the Windows Update Service and see if it helps. 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 you are unable to install the Update KB5012592 update, you can install it from the Microsoft Update Catalog webpage. To do so,

  • Firstly, launch the browser and go to the Microsoft Update Catalog webpage. Microsoft Update Catalog
  • Then in the search box, type Update KB5012592 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 any of the above solutions do not help you, you can reset all Windows Update components and try again to install the latest 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 KB5012592 not installing on Windows 11 issue and its top fixes. If you have any queries or concerns regarding this article, you can leave a comment in the comment box below.