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Windows 10 Prolific USB-Serial Driver Issue

K6ARP.org
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The Windows 10 installation/upgrade includes a newer version of the Prolific USB-Serial driver.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.  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.

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