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Fix Windows Terminal 502 Bad Gateway Error - Windows Update SSL Certificate Issue: Quick Fix Guide-Adding a Private SSL Certificate to Windows Defender Trusted Store

2026-06-13 17:31:29cloud-software
Fix Windows Terminal 502 Bad Gateway Error - Windows Update SSL Certificate Issue: Quick Fix Guide-Adding a Private SSL Certificate to Windows Defender Trusted Store

Final checklist

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