Error code C80003FE during Windows Update

Error code C80003FE during Windows Update often signals issues such as corrupted update files, problems with update services, or interference from third-party security software. To resolve this error, follow the steps below:

• Restart your computer to clear any stuck processes.


• Temporarily disable third-party antivirus and firewall applications to avoid interference.


• Run Command Prompt as administrator and execute:
  

  sfc /scannow
  
  

  
  to repair corrupted system files.


• Stop Windows Update service, delete the contents of C:WindowsSoftwareDistributionDownload, then restart the service to clear the update cache.


• Open Services (services.msc) and verify that Windows Update, Background Intelligent Transfer Service (BITS), and Cryptographic Services are running and set to Automatic.


• Run the built‑in Windows Update Troubleshooter (Settings → Update & Security → Troubleshoot) to let Windows fix issues automatically.


• If updates continue to fail, consider using the Media Creation Tool or performing an in-place upgrade to bypass update component errors.

For step‑by‑step guidance, detailed screenshots, and advanced troubleshooting tips, visit the official guide on fixing Windows Update error C80003FE.