To get your adapter working again, follow these steps to force Windows to use the older driver version: Prolific USB-to-Serial Comm Port (COM4) Driver for System
: Unplug your USB-to-Serial adapter before starting the installation. Run Installer : Execute the 3.2.0.0 or unzip the manual files to a dedicated folder. Connect Device prolific usb to serial comm port version 32 00 download 2021
If you are still using a pre-2016 serial device, . Store the .exe on a USB drive, an internal backup, and the cloud. Windows 12 or future updates will likely block it entirely, but for 2021 installations on Windows 10 LTSC or IoT Enterprise, this driver remains the gold standard. To get your adapter working again, follow these