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Fix 'ffmpeg: command not found' on Linux - How to Fix Windows Defender Service Won't Start-Fix Windows Security Settings Loading Slowly

Updated 2026-06-13 15:09:48office-tools
Fix 'ffmpeg: command not found' on Linux - How to Fix Windows Defender Service Won't Start-Fix Windows Security Settings Loading Slowly
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.