Older Prolific drivers (before v3.3.x) are incompatible with newer Windows 10/11 systems due to Microsoft’s driver signing requirements. Always download the latest driver from the Prolific official website or a trusted source.
Before downloading any drivers, you must identify which chip is inside your USB cable. Using the wrong driver will cause Blue Screen of Death (BSOD) errors or connection timeouts. wln kd-c1 usb driver
Note: If you see a yellow warning triangle next to the device in Device Manager, right-click it and select "Update Driver," then choose "Search automatically for drivers." Older Prolific drivers (before v3