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Cloudflare Tunnel Sync Issues: How to Diagnose and Fix - PowerShell Blank Screen: No Output Fix-Fix 'Windows Defender File Locked by Another Program' Error

2026-06-13 16:33:33office-tools
Cloudflare Tunnel Sync Issues: How to Diagnose and Fix - PowerShell Blank Screen: No Output Fix-Fix 'Windows Defender File Locked by Another Program' Error

Final checklist

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