How to fix
KB5041876 fails to install
on Windows

I was unable to install the preview build 22635.4082 (KB5041876), which failed to install for me. I have tried running the troubleshooter but it didn't find anything out of the ordinary. Should I just wait or is there something I can do?

KB5041876 is a Preview build update for Windows 11, released in late August 2024, specifically for the Insider Beta Channel under build 22635.4082. This update introduces enhancements such as updated Lock screen media controls, refined notification settings, and visual improvements in the Delivery Optimization settings. Additionally, it includes fixes for issues like Start menu crashes and memory leaks.

However, some users have reported that KB5041876 fails to install. This can occur due to various reasons, including corrupted system files, insufficient disk space, or conflicts with existing system configurations.

When this happens, users typically encounter error messages during the update process, and the installation either fails to complete or rolls back changes.

Addressing these issues might require troubleshooting steps such as clearing the Windows Update cache, checking for system file integrity, or even performing a clean boot to isolate and resolve the problem. As usual, you will find all the instructions on how to fix this problem below.

For resolving underlying Windows issues that might be causing KB5041876 to fail to install, it is recommended to use [d1] PC repair application, which can help address and fix various update-related errors.

Fix 1. Perform Disk Cleanup

• Type Disk Cleanup in Windows search and hit Enter.
• If your Windows is installed on drive C, pick it from the list (it should be by default) and press OK.
• Click Clean up system files.
• Select your main disk again and click OK.
• Here, select the largest portions of the data used - these typically include Temporary Internet Files, Windows Update, Temporary Files, Recycle Bin, Delivery Optimization Files, and others.
• Click OK - the process should be finished shortly.

Fix 2. Tun the troubleshooter

• Type Troubleshoot in Windows search and press Enter.
• Go to Other troubleshooters.
• Find Windows Update from the list and click Run.
• The troubleshooter will automatically scan your system for potential problems and display any issues it finds.
• If the troubleshooter finds any issues, it will provide recommended solutions.

Fix 3. Repair file corruption

• Type in cmd in Windows search.
• Right-click on Command Prompt and select Run as administrator.
• User Account Control window will show up - click Yes when prompted.
• In the Command Prompt window, paste the following command and press Enter:
  sfc /scannow
• Wait for the scan to complete.
• Once the SFC scan is finished, run the following set of DISM commands, pressing Enter after each one:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth
  (Note: if you get an error executing this last command, add /Source:C:\RepairSource\Windows /LimitAccess to it and try again).
  
• After completing the DISM commands, restart your computer.

Fix 4. Check relevant services

• Type in Services in Windows search and hit Enter.
• Scroll down a bit to find the Windows update service.
• If it is already running, right-click and select Restart.
• If the service is not running, double-click it, pick Automatic under the Startup type drop-down menu.
• Click Start, Apply, and OK.
• Repeat this process for Background Intelligent Transfer Service (BITS) and Cryptographic services.

Fix 5. Reset Windows update components

• Open Command Prompt as an administrator.
• Stop the BITS, Cryptographic, MSI Installer, and Windows Update Services by typing the following commands and pressing Enter after each:
  • net stop wuauserv
  • net stop cryptSvc
  • net stop bits
  • net stop msiserver
• Rename the SoftwareDistribution and Catroot2 folders by typing the following commands and pressing Enter after each:
  • ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
  • ren C:\Windows\System32\catroot2 Catroot2.old
• Restart the BITS, Cryptographic, MSI Installer, and Windows Update Services by typing the following commands and pressing Enter after each:
  • net start wuauserv
  • net start cryptSvc
  • net start bits
  • net start msiserver
• Close the Command Prompt and restart your computer.

Fix 6. Check your disk for errors

• Open Command Prompt as administrator.
• In the new window, type in the following command and press Enter after:
  chkdsk c: /f
  (Note: use chkdsk c: /f /r /x command if you are using SSD as your primary partition. Also, replace c: with another drive letter if you are not using default)
• If you receive an error, type in Y, close down Command Prompt and restart your computer.
• Wait till the scan is finished.

Fix 7. Disable third-party antivirus or run Clean Boot

If you run a third-party security tool, it might interfere with the successful installation of Windows updates. 

• Open your antivirus software.
• Find the settings menu.
• Select the option to disable the protection.
• Try installing the update.

It could also be that KB5041876 fails to install due to other software conflicts. To find out, run Windows in Clean Boot:

• Type msconfig in the Windows search box and press Enter.
• Pick the Services tab.
• Mark Hide all Microsoft services and select Disable all.
• Select the Startup tab and click Open Task Manager.
• In the Task Manager, right-click on each of the items and select Disable, then close the Task Manager.
• Go to the Boot tab, mark the Safe Boot option, then click Apply and OK.
• On the System Configuration window, click OK.
• Restart your computer and attempt the update.