Multi-Diag Access J2534 prompt “the update of the communication interface”error

From obd2express customer response, after the Multi-Diag Access J2534 software installed, when work with his car get a prompt “the update of the communication interface” below, in this page, to not bottom go to, the LED lights flashed not bright..
multi-diag access j2534
1. To reconnect or for the other car
2. If the LED is not bright, that equipment is broken, need to send back to repair

1. Pls disconnect the network when install the software.
2. Pls follow the installation video to install the software and drivers.