This is a for Prolific PL2303 chipset-based USB-to-RS232 serial adapters.
Article last updated for historical accuracy – 2021 driver context preserved. prolific usb to serial comm port version 32 00 download 2021
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 This is a for Prolific PL2303 chipset-based USB-to-RS232