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Fix Task Scheduler Proxy Authentication Failed Error - Microsoft Defender Antivirus Troubleshooting Guide-How to Fix Chrome VPN Tunnel Error

Updated 2026-06-16 10:34:24macos-help
Fix Task Scheduler Proxy Authentication Failed Error - Microsoft Defender Antivirus Troubleshooting Guide-How to Fix Chrome VPN Tunnel Error
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.