Windows 10 and 11 block unsigned drivers by default. You must temporarily disable this security feature to install the legacy 64-bit driver.
Navigate to your software installation directory (usually C:\Ross-Tech\VCDS\ ) and select the driver file (often named ftdibus.inf or RT-USB.INF ).
: It is often advised to stay disconnected from the internet during use to prevent the cable from attempting a firmware update that could disable "knock-off" or legacy interfaces. Vag 908 USB Driver 64 Bit - Facebook vag 908 usb driver 64 bit
For legacy Ross‑Tech USB interfaces (HEX‑USB, KII‑USB, HEX‑USB+CAN), there are Virtual COM Port (VCP) drivers available. In Device Manager, find the interface (it may show as “… with VCP”), open properties, go to the Advanced tab, and ensure “Load VCP” is checked. Then disconnect and reconnect the interface.
Many clone or legacy VAG 908 USB drivers lack a digital signature verified by Microsoft. Windows 10 and 11 will block these drivers by default. Windows 10 and 11 block unsigned drivers by default
inside the VM (32‑bit version is fine; the VM bridges the underlying 64‑bit host).
However, the single most common point of failure for users is not the hardware—it is the software. Specifically, finding and installing the correct for modern Windows operating systems (Windows 10, 11, and Windows 7/8 64-bit editions). : It is often advised to stay disconnected
The "VAG 908" typically refers to a specific version of hardware interfaces used for vehicle diagnostics, most commonly associated with the series or similar aftermarket OBD2 cables. These tools are widely used by automotive enthusiasts and independent mechanics to diagnose and modify vehicles within the Volkswagen Audi Group (VAG)—which includes VW, Audi, Seat, and Škoda.
The is specialized software used to connect VAG diagnostic cables (typically for Volkswagen, Audi, Seat, and Skoda) to a 64-bit Windows PC. While originally designed for older Windows versions, it can be installed on modern 64-bit systems like Windows 10 and 11 using specific manual procedures. Key Installation Requirements
A: There is no single “official” source. Check the CD that came with your cable, search reputable diagnostic forums (Ross‑Tech website, VW forums, Audi forums), or look for CH340/CH341 drivers if your cable uses that chip. Be cautious with third‑party download sites.
I can provide specific registry tweaks or software compatibility settings based on your setup. Share public link