Right-Click on the failed device and Select 'Uninstall' Ĥ. If the error doesn't show, remove and re-insert the adapter from the USB port until it does (this will load the latest version) ģ. Locate the adapter and check if the Exclamation mark is showing for the Code 10 error Stop Windows from loading the latest driver and overwriting the fix:Ģ.

', and then browse or paste the path to the 'Prolific_Win8_圆4_x86' directory Select 'Let me pick from a list of device drivers on my computer' (other driver versions visible here) ĥ. Select 'Browse my computer for driver software' Ĥ. Open Device Manager and right click on the failed Prolific USB-to-Serial Comm Port device ģ. Install older driver to fix error/failure:ġ. The final definitive guide for fixing the failure of the (PL2303) Prolific USB-to-Serial Comm Port driver in Windows 10, step by step:įirst, install the latest driver for the PL2303 USB-to-Serial adapter from Prolific's website thenĭownload older driver that is compatible with Windows 10:ġ.

Prolific usb serial windows 10