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Practical VSCode Debugger Setup for Node.js - Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10-Fix Windows Defender Port Already Allocated Error

2026-06-14 16:13:49browser-issues
Practical VSCode Debugger Setup for Node.js - Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10-Fix Windows Defender Port Already Allocated 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.