Use the links on this page to download the latest version of Prolific USB-to-Serial Bridge (COM6) drivers. Windows 10, Windows 8.1, Windows 7, Windows Vista. Windows: No driver installation is necessary for Windows 10. Prolific Drivers. Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Chipset). Windows 10 Forums the biggest Windows 10 help and support forum. Prolific USB-Serial. (as Prolific Serial-USB. Drivers and Hardware.
September 16, 2015 by: Conrad Nerdahl – WA6KUE Windows 10, Baofeng, and Chirp The Windows 10 installation/upgrade includes a newer version of the Prolific USB-Serial driver. This is the interface driver software that translates many USB to Radio adapters via a Com-Port (for lack of a more complex explanation). There is one problem. Apple Usb Superdrive Driver For Windows 10 here. The newer drivers create a false positive on the serial interface and throw the radio into a transmit mode upon connection to the PC. This prevents any updates to the radio using Chirp software and forces your radio into an uncontrolled (undesired) transmit state.
New Prolific Drivers may give a FALSE Positive: (6-2015) – Windows will now load the newest Prolific driver 18.104.22.1680 when inserting your cable. A Yellow Triangle may not always appear in Device Manager as described below, however, when you insert the cable into your radio, the transmitter will turn on.
As a resolution to this, the solution is to roll back the driver to a 2007 version. And, the instructions can be found on the Miklor web site – At this site, follow the directions to reverse the driver from a newer version to the legacy version and you’ll once again be able to program your radio using the Chirp software.