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Fix nvm not working in CMD or PowerShell on Windows - Reinstall Windows Defender in Windows 11: Step-by-Step-Troubleshooting Error 0x8007007b in Windows Activation

2026-06-13 15:59:58developer-tools
Fix nvm not working in CMD or PowerShell on Windows - Reinstall Windows Defender in Windows 11: Step-by-Step-Troubleshooting Error 0x8007007b in Windows Activation

Final checklist

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

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