zhizhu
Home / developer-tools / Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist - How to Fix Command Prompt Dependency Conflict in Windows 10-Windows Security Won't Open? Try These Fixes

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist - How to Fix Command Prompt Dependency Conflict in Windows 10-Windows Security Won't Open? Try These Fixes

2026-06-13 18:10:53developer-tools
Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist - How to Fix Command Prompt Dependency Conflict in Windows 10-Windows Security Won't Open? Try These Fixes

Final checklist

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