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Fix Task Scheduler Connection Refused Error - Fix Windows Store Error 0x80073cf9: Checklist-Change DNS to Static in Windows 11 with CMD

Updated 2026-06-14 02:13:27developer-tools
Fix Task Scheduler Connection Refused Error - Fix Windows Store Error 0x80073cf9: Checklist-Change DNS to Static in Windows 11 with CMD
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.