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Windows Update 502 Bad Gateway: Step-by-Step Fix - Resolve Error 0x800704ec in Microsoft Defender-Microsoft Store Configuration After System Restore

Updated 2026-06-13 14:34:26macos-help
Windows Update 502 Bad Gateway: Step-by-Step Fix - Resolve Error 0x800704ec in Microsoft Defender-Microsoft Store Configuration After System Restore
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.