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Fix Putty Connection Refused on Port 22 - Resolve Windows Update Authentication Failed – Group Policy-Fix Windows Update SSL Certificate Errors Not Working

2026-06-13 14:16:43developer-tools
Fix Putty Connection Refused on Port 22 - Resolve Windows Update Authentication Failed – Group Policy-Fix Windows Update SSL Certificate Errors Not Working

Final checklist

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