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Fixing Cloudflare Tunnel DNS Errors: A Practical Guide - PowerShell Authentication Failed: How to Fix Permission Denied-How to Clear Microsoft Defender Cache from Command Line

2026-06-13 19:29:45cloud-software
Fixing Cloudflare Tunnel DNS Errors: A Practical Guide - PowerShell Authentication Failed: How to Fix Permission Denied-How to Clear Microsoft Defender Cache from Command Line

Final checklist

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