How to fix
KB5031448 fails to install
on Windows

Hello. I tried installing the newest Windows 11 update KB5031448 but it failed. Is there anything I can do?

Those who are anxiously awaiting the promised fixes and enhancements may find it upsetting when the KB5031448 update fails to install in Windows 11. Released with the goal of improving user experience, this specific update modifies the operating system in a number of significant ways. These consist of providing Dynamic Lighting defaults, enabling new customization choices for Dynamic Lighting OEMs, and enabling customization of OS images for new PCs. The update also fixes a problem with mobile settings, including the inaccurate identification of the mobile operator, and supports the conversion of Croatian Kuna to Euro currency.

Users may face serious repercussions as a result of the KB5031448 update not installing, especially when it comes to the security, functionality, and performance of their systems. These cumulative updates frequently contain security updates and fixes for vulnerabilities; if these are not installed, the system may be vulnerable to security risks. Additionally, users risk missing out on a number of improvements that can improve their entire user experience, such the enhanced recognition capabilities of Windows Hello and the additional customization choices for Dynamic Lighting.

In addition, future software and hardware releases may not work properly if an upgrade like this cannot be installed. An important component for users in the impacted area is the update's support for Croatia's currency reform. Failure to obtain this update may result in financial transactions and currency conversion errors.

It could be necessary for users to investigate many alternatives in order to resolve the problem of KB5031448 not installing. This could entail performing manual installation or verifying that the system satisfies the update's system requirements, among other troubleshooting procedures including looking for problems with network access. Restarting the computer or using Windows Update Troubleshooter can sometimes fix problems.

In this guide, you will find 6 steps that should help you fix KB5031448 fails to install in Windows 11. You can also use a maintenance tool like [d1] that can fix most system errors, BSODs,[ref en-1] corrupted files, and registry[ref en-2] issues. Otherwise, follow the step-by-step instructions below.

Solution 1. 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 2. 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 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. 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 6. 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.