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Setup Windows Security to Fix 502 Bad Gateway Error - Windows Update Authentication Failed: Group Policy Fix-Resolve Outlook Data File Access Issue Due to Password Change

Updated 2026-06-13 20:39:21developer-tools
Setup Windows Security to Fix 502 Bad Gateway Error - Windows Update Authentication Failed: Group Policy Fix-Resolve Outlook Data File Access Issue Due to Password Change
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.