in the VM software so that the VAG 908 cable plugged into your laptop is passed through to the virtual Windows XP.
The is a fundamental software requirement for automotive hobbyists and professional mechanics working with Volkswagen, Audi, SEAT, and Škoda (VAG Group) vehicles . If you own a legacy VAG 908 diagnostic cable—often used alongside older iterations of Ross-Tech’s VCDS (VAG-COM Diagnostic System) software—getting the computer to communicate with the vehicle's OBD-II port can be a challenge.
If you are using an original Ross‑Tech interface, you may qualify for an upgrade discount to the latest HEX‑V2 or HEX‑NET interface. For users with clone cables, purchasing a newer “V2” style clone with STM32 or VIIPlus chipset will allow you to run modern VCDS versions (such as 21.x or 22.x) on your 64‑bit system.
Select the exact COM port number matching Device Manager and click . Once the status shows "Interface Found!", click Save . Troubleshooting Common Errors "Interface Not Found" or "Port Does Not Exist"
Step-by-Step: Installing VAG 908 USB Driver on 64-bit Windows (10/11) vag 908 usb driver 64 bit
Modern 64-bit Windows operating systems enforce strict security guidelines on device drivers. A default, old 32-bit driver will not initialize on a 64-bit platform, leading to specific system issues: errors in Device Manager.
While this article focuses on Windows, many users ask about 64-bit drivers for other OSes:
Your PC will reboot into a blue menu. Select Troubleshoot . Click on Advanced options > Startup Settings . Click the Restart button.
The VAG-COM 908 is an older interface, and its original drivers were primarily designed for 32-bit versions of Windows, such as Windows XP. A significant challenge arises when attempting to install these older drivers on modern 64-bit versions of Windows (7, 8.1, 10, and 11). Many users report that Windows will not automatically find the correct drivers, or the installation fails entirely. One user on a VAG forum explicitly mentioned receiving an error message: "necesito la version de 64 bits del DPinst.exe" (I need the 64-bit version of DPinst.exe) when trying to install drivers on a 64-bit Windows 7 system, highlighting the exact nature of the conflict. in the VM software so that the VAG
Even with the best instructions, things can go wrong. Here are the most common problems and their solutions.
: Right-click the Start button and select Device Manager .
Older 908 cables often rely on USB-to-Serial converters that use Ross-Tech's older USB driver architecture. 64-bit Windows requires digitally signed drivers, which older 908 installation packages do not have.
: Original 908 drivers were built for Windows XP (32-bit). If you are using an original Ross‑Tech interface,
For automotive enthusiasts, independent mechanics, and professional diagnosticians working with Volkswagen Audi Group (VAG) vehicles—including Audi, Volkswagen, Seat, Skoda, and Bentley—the (often referred to as VAG-KKL or VCDS Lite compatible cable) remains a staple tool. However, a recurring challenge that users face is finding and correctly installing the vag 908 usb driver 64 bit version, especially on modern Windows operating systems like Windows 10 and Windows 11.
For applications that require a virtual COM port, you may need to adjust the COM port number:
inside the Windows XP VM as you would on a real XP machine.