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How to Fix Outlook Proxy Authentication Failed Error - Troubleshoot Windows Security App on Mac-Chrome Not Working After Update: Practical Fixes

Updated 2026-06-13 23:07:18browser-issues
How to Fix Outlook Proxy Authentication Failed Error - Troubleshoot Windows Security App on Mac-Chrome Not Working After Update: Practical Fixes
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.