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Fix Windows Update Proxy Error on Windows 10 - Resolve 504 Gateway Timeout in CMD-BitLocker Port Already Allocated Error Fix

Updated 2026-06-15 16:10:19developer-tools
Fix Windows Update Proxy Error on Windows 10 - Resolve 504 Gateway Timeout in CMD-BitLocker Port Already Allocated Error Fix
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.