The window won’t close when the command completes. Run your commands in a stand-alone Command Prompt window. What does it mean when command prompt disappears? It’s best to check it right after a window appears. If you see Command Prompt window pop-up too often, it means something might be wrong. Windows has processes that need to run periodically, or just every now and then. Why does my command prompt keep popping up on my computer? Frequently Asked Questions Why is my Command Prompt running so often?