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Fix Windows Security Login Loop and Sync Issues - Resolve Outlook 0x800CCC0E Connection Error-How to Fix 502 Bad Gateway in CMD Due to DNS

Updated 2026-06-15 01:59:47developer-tools
Fix Windows Security Login Loop and Sync Issues - Resolve Outlook 0x800CCC0E Connection Error-How to Fix 502 Bad Gateway in CMD Due to DNS
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.