

The Prolific USB-to-Serial Comm Port shows not working properly in the system Device Manager. For information about the supported devices, see Universal Serial Bus (USB). Right click on the Windows Start Icon and select "Device Manager. Synchronize your PDA, Digital Camera, Cell Phone or other device currently using a serial port with this USB RS-232 Serial Adapter. 1:23 port can be a number or servicename eg "telnet" server:port eg "server:telnet" or "server:9876" USB Virtual Comports USB serial ports appear at some port number. Product: Prolific USB-to-Serial Comm Port (COM4).

With Windows kernel technology Virtual Serial Port Driver allows you to create an unlimited number or COM port pairs, fully emulating serial port connections. 3 drivers are found for ‘Prolific USB-to-Serial Comm Port (COM3)’. Improved Serial over USB driver support in Windows 10. Before you fix it manually, you need to uninstall USB to Serial device at first. 2 days later 2 of my main USB drives became corrupted and were now RAW, I scrambled out backup This post helps you to get the genuine Microsoft USB driver updates completely free for your Windows 10, 8, and 7 PC. Right-click PCI Serial Port from Other devices and choose Update driver.
