How to fix
KB5031323 fails to install
on Windows

Hello. I wanted to install the KB5031323 update for Windows 11 but it failed. Any tips on how to fix it?

Some users have experienced problems with KB5031323[ref en-1] failing to install on Windows 11. This update is a cumulative upgrade that combines all previously announced security improvements; it does not add any new security enhancements. However, even though it doesn't bring any new features or improvements, not installing this update could have a number of negative effects.

First off, when a cumulative update, such as KB5031323, fails to install, a user's machine may become exposed to known security flaws. These upgrades frequently include crucial security fixes that fix flaws that could be used by malicious parties. The user's PC is left open to these possible risks if the update is not installed, putting their data and privacy at risk.

Additionally, unsuccessful upgrades might cause system instability and performance problems. Some upgrades fix bugs or compatibility problems that could impair the operating system's smooth operation. Users may notice more frequent instances of system crashes, software bugs, or decreased system performance when these updates fail to install.

Users have a number of options available to them to solve the problem of KB5031323 failing to install. These include manually downloading and installing the update from the Microsoft Update Catalog, making sure there is enough disk space, running the Windows Update Troubleshooter, and checking for system compatibility.

In this guide, you will find 7 steps that should help you fix KB5031323 fails to install in Windows 11. You can also run a maintenance tool like [d1] that can fix most system errors, BSODs, corrupted files, registry[ref en-2] issues, or clear cookies and cache[ref en-3] automatically. Otherwise, follow the step-by-step instructions below.

Solution 1. Repair Corrupted System Files

Use Command Prompt commands to repair system file corruption:

• Open Command Prompt as administrator
• Use the following command and press Enter:
  sfc /scannow

• Reboot your system
• If SFC returned an error, then use the following command lines, pressing Enter after each:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth

Solution 2. Run Windows Update Troubleshooter

• Click the Windows button and select Settings
• Select System from the left pane, then scroll down on the right pane, and click on Troubleshoot

• Click on Other troubleshooters
• Locate the Windows Update troubleshooter and hit the Run button

Solution 3. Restart Windows Services

• Type services in the search bar and launch the Services utility
• Find Windows Update in the list
• Double-click on it, set the Startup type to Automatic, and click Apply
• Now click on Restart the Service

• Do the same with Background Intelligent Transfer Service

Solution 4. Reset Windows Update Components

• Type cmd in the search bar.
• Right-click on Command Prompt in the search results.
• Select Run as administrator.
• In the Command Prompt window:
• Type the following commands one by one and press Enter after each:

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

• Execute the following commands one by one:

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

• Restart your PC.
• Check to see if the issue has been resolved.

Solution 5. Use Microsoft Update Catalog

• Open your browser and go to the Microsoft Update Catalog.
• You will be presented with several versions of the KB5031323 update.

• Find the correct update for your OS version (you can check it by right-clicking Start and picking System > Windows specifications > Version is what you are looking for) and click Download.
• Follow the on-screen instructions and install the update.
• Reboot your system.

Solution 6. Try Clean Boot

• Open the Search menu, type in system configuration, and press Enter.
• Under the Services tab, tick the Hide all Microsoft services box.
• Click on Disable all button.

• Head over to the Startup tab and click on Open Task Manager.
• Select a third-party program and click on Disable at the top.
• Repeat this step to disable all third-party apps and programs.
• Restart your PC to enter the clean boot state and see if the issue persists.
• If the issue disappeared in the clean boot state, then you can be certain that a third-party app is causing it.
• Go through all recently installed apps or programs and remove them one by one.

Solution 7. Use Installation Media

If none of the previous steps helped you resolve the issue, your current installation of Windows may be corrupt. Perform a repair installation and see if it fixes the issue of updates not installing.

• Visit the official Microsoft website to download Windows 11 Installation Media.
• Run the Media Creation Tool and select Create Installation Media for another PC.
• Select your USB drive.
• Let the Process complete of writing the Installation files to the USB drive.
• Click Finish.
• On the PC you wish to upgrade, Press Windows + E to open the File Explorer.

• Open the Removable drive and click Setup.exe.
• Accept the license terms on the next screen.
• Confirm the Upgrade options – Files, apps and Settings are kept.
• Click Install, and the upgrade should start.