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Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10 - How to Fix Chrome Profile Update Error Not Working-Group Policy Causing Windows Defender Conflict? Fix It

2026-06-13 23:11:50developer-tools
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10 - How to Fix Chrome Profile Update Error Not Working-Group Policy Causing Windows Defender Conflict? Fix It

Final checklist

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

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