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Fix Task Scheduler 'Network Unavailable' Error - Fix Windows Defender Port Already Allocated in Event Viewer-Fix Corrupt Outlook PST or OST Files

Updated 2026-06-14 07:39:02macos-help
Fix Task Scheduler 'Network Unavailable' Error - Fix Windows Defender Port Already Allocated in Event Viewer-Fix Corrupt Outlook PST or OST Files
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.