If you want to open the Command Prompt window on your Login screen or the Boot screen in Windows, here are different ways to do it.

Once the scan is complete, you can reboot your computer and then use Command Prompt. If this does not help, you may need to repair a potentially corrupted system image using the DISM Tool.

Over time, any Windows 11 computer will experience system corruption and eventually failure. Regular maintenance will repair system files and prevent future problems.

While you can always use the Windows 11 Settings app or the Task Manager for common things in Windows, the Command Prompt has nifty tricks, too.