Javax Comm Usb Serial
When you upgrade your older Windows system to the latest Windows 10, or perform updates directly on Windows 10, the Prolific USB to Serial driver also gets update, and if it doesn’t work with your old hardware, you might have the problem. So you can try to downgrade your Prolific USB to Serial driver. Here’s how you can do it. Most projects that deal with hardware and devices, needs to communicate with them using the COM port of the PC or Server. For example if there is a modem that is connected to a server via its COM port and the Java program has to read the output of the modem then the Java program has to read the COM port for any incoming data.