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Fix Microsoft Store Connection Refused Due to Proxy Settings - How to Stop Windows Security Loop-Troubleshooting Windows Defender Certificate Sync Failure

2026-06-13 17:05:30developer-tools
Fix Microsoft Store Connection Refused Due to Proxy Settings - How to Stop Windows Security Loop-Troubleshooting Windows Defender Certificate Sync Failure

Final checklist

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