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Fix SSH Host Key Verification Failed for GitHub - Reinstall Windows Defender Module Using PowerShell-Windows Update 0x80070020 Port Already in Use Fix

2026-06-14 11:16:57macos-help
Fix SSH Host Key Verification Failed for GitHub - Reinstall Windows Defender Module Using PowerShell-Windows Update 0x80070020 Port Already in Use Fix

Final checklist

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