Ensure your laptop is plugged into power or has a full battery to avoid communication drops during long coding sessions.
launch the application immediately after the installation finishes.
Ensure the .lang files are present in the software root folder to prevent "Language Not Supported" errors. How to Verify the Repair
Open Device Manager and ensure the device is listed under "Ross-Tech Direct USB Interface."
Are you currently seeing a error, or is the software asking for a license activation ?