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Fix 'ffmpeg command not found' in Docker Container - Resolve PowerShell 504 Gateway Timeout on Windows Server-Group Policy Fix for Remote Desktop Certificate Warnings

2026-06-14 03:58:59macos-help
Fix 'ffmpeg command not found' in Docker Container - Resolve PowerShell 504 Gateway Timeout on Windows Server-Group Policy Fix for Remote Desktop Certificate Warnings

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.