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Fix PowerShell Invalid Configuration on Windows Server - Task Scheduler Port 80 Already in Use Fix-How to Stop Windows Defender Crashing on Windows 11

Updated 2026-06-13 20:18:26cloud-software
Fix PowerShell Invalid Configuration on Windows Server - Task Scheduler Port 80 Already in Use Fix-How to Stop Windows Defender Crashing on Windows 11
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.