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Fix Windows Update Token Expired Permission Denied - How to Enable Windows Defender After It Failed to Start-VS Code Jupyter Kernel Won't Start

2026-06-13 16:04:03developer-tools
Fix Windows Update Token Expired Permission Denied - How to Enable Windows Defender After It Failed to Start-VS Code Jupyter Kernel Won't Start

Final checklist

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