For users requiring specific driver versions like for Ross-Tech USB interfaces, it is essential to follow official installation procedures to ensure compatibility with VCDS (VAG-COM Diagnostic System) software. Ross-Tech typically bundles its drivers with the main VCDS software installer
If the automatic installation fails and you still see the "Interface Not Found" error with the 03.02.07 library version, you may need to point Windows to the drivers manually:
The Ross-Tech USB drivers serve as the critical bridge between a vehicle's On-Board Diagnostics (OBD-II) port and a computer. Unlike standard serial-to-USB adapters, Ross-Tech utilizes a "direct" USB driver to bypass standard Windows serial drivers, which provides more stable communication with the vehicle's control modules. The version is often associated with the Virtual COM Port (VCP)