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Fix Outlook 502 Bad Gateway Error After Update - How to Resolve Windows Defender DNS Error-Configure Windows Defender Scheduled Scan for Multiple Drives

Updated 2026-06-14 00:59:08browser-issues
Fix Outlook 502 Bad Gateway Error After Update - How to Resolve Windows Defender DNS Error-Configure Windows Defender Scheduled Scan for Multiple Drives
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.