Microsoft has issued a support warning for users of Windows 10 version 1903 or later. The notice has to do with a missing USB printer port if the user disconnects a printer while the operating system is shut down. Microsoft says that if users connect a USB printer to version 1903 or later, shuts down Windows, and disconnects or shuts off the
Source: Hot Hardware – Windows 10 Version 1903 And Later May ‘Forget’ Your USB Printer After This Simple Operation