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Fix Microsoft Store High CPU Usage & Error 0x80073cf0 - Troubleshooting Firefox Not Responding on New Tab-Fix Microsoft Store with Built-in Troubleshooter

2026-06-13 16:51:35office-tools
Fix Microsoft Store High CPU Usage & Error 0x80073cf0 - Troubleshooting Firefox Not Responding on New Tab-Fix Microsoft Store with Built-in Troubleshooter

Final checklist

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