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Fix Windows Security Connection Refused Certificate Error - How to Fix ERR_SSL_PROTOCOL_ERROR in Windows 10-Windows Terminal Proxy Connection Refused Fix

2026-06-13 20:00:55cloud-software
Fix Windows Security Connection Refused Certificate Error - How to Fix ERR_SSL_PROTOCOL_ERROR in Windows 10-Windows Terminal Proxy Connection Refused Fix

Final checklist

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