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Fix Windows Defender SSL Certificate Error - How to Resolve Certificate Connection Refused in Windows-Outlook Version Mismatch Error: Registry Fix Guide

2026-06-15 19:15:00browser-issues
Fix Windows Defender SSL Certificate Error - How to Resolve Certificate Connection Refused in Windows-Outlook Version Mismatch Error: Registry Fix Guide

Final checklist

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