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How to Fix Windows Update Error 0x80070005 - Windows Defender 502 Gateway Error Fix-How to Fix Go Proxy Host Lookup Failure

2026-06-13 19:06:47developer-tools
How to Fix Windows Update Error 0x80070005 - Windows Defender 502 Gateway Error Fix-How to Fix Go Proxy Host Lookup 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.