The VAG 908 USB driver is a software component required to connect a VAG-COM (now known as VCDS) diagnostic cable to a 64-bit Windows PC for vehicle diagnostics on Volkswagen, Audi, Seat, and Skoda vehicles Driver Compatibility and Function : The driver emulates a virtual COM port
For the best stability, follow these steps to manually "force" the driver installation if the automatic setup fails: Download the Drivers : Obtain the Virtual COM Port (VCP) drivers from an authoritative source like the Ross-Tech Virtual COM Port page Unzip the Files vag 908 usb driver 64 bit