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Fix Windows Security Backup Restore Failed Error Code - Windows Defender Firewall Holding Port Open – Fix-Fix Task Scheduler Service Not Running After Windows Update

Updated 2026-06-14 04:36:43browser-issues
Fix Windows Security Backup Restore Failed Error Code - Windows Defender Firewall Holding Port Open – Fix-Fix Task Scheduler Service Not Running After Windows Update
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.