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How to Fix Error 0x800f0903

Topic: Windows 11 Update Errors | Status: Updated

What is this error?

Error 0x800f0903 is a common issue encountered during Windows 11 updates, indicating that a required feature is not found. This can occur due to corrupted files or missing update components that hinder the installation process.

How to Fix It

  1. Run the Windows Update Troubleshooter:
    • Open Settings by pressing Windows + I.
    • Navigate to System > Troubleshoot > Other troubleshooters.
    • Find and click on Windows Update > Run.
  2. Check for Pending Updates:
    • Go to Settings and select Windows Update.
    • Click on Check for updates and install any available updates.
  3. Use the DISM Tool:
    • Open Command Prompt as an administrator.
    • Type Dism /Online /Cleanup-Image /RestoreHealth and press Enter.
    • Wait for the process to complete, then restart your computer.
  4. Run the System File Checker (SFC):
    • Open Command Prompt as an administrator.
    • Type sfc /scannow and press Enter.
    • Allow the scan to complete and fix any detected issues.
  5. Perform a Manual Update:
    • Visit the Microsoft Update Catalog website.
    • Locate the specific update for your version of Windows 11 and download it manually.
    • Install the downloaded update.
  6. Reset Windows Update Components:
    • Open Command Prompt as an administrator.
    • Execute the commands: net stop wuauserv, net stop cryptSvc, net stop bits, net stop msiserver.
    • Then re-enable by inputting: net start wuauserv, net start cryptSvc, net start bits, net start msiserver.
Disclaimer: This is an educational guide. We are not responsible for data loss. Always backup your system.