Versions like 7.02 through 7.83 generally struggle with modern 64-bit systems. Users often must run these through a Virtual Machine (VMware) pre-configured with Windows 7. Methods for Installation on Windows 11 How to install Diagbox 9.85 (Native installation)
This is the physical OBD2-to-USB cable required to connect your PC to the car.
This stops the "No VMs" error. Go to: Control Panel → Programs and Features → Turn Windows features on or off . diagbox windows 11
We will use DiagBox version (the latest stable full version) for this guide. Note: Version 9.91 is the last version to widely support clone chips.
It is highly recommended to use a "Full Chip" version of the Lexia 3 interface. Cheaper, stripped-down clones often fail to communicate with newer vehicles or firmware updates on Windows 11. Versions like 7
: Use a virtual machine with Windows 7 or Windows 10 Pro—this provides the most reliable experience across vehicle years.
Windows 11 strictly requires all drivers to be digitally signed by Microsoft. The drivers for the Lexia 3/DiagBox interface (typically FTDI or clone chips) are often unsigned or use old certificates that Microsoft has revoked. Windows 11 will silently block these drivers, meaning your PC sees the cable, but DiagBox wont. This stops the "No VMs" error
Running on Windows 11 is possible, though it requires specific versions or setup methods due to the software's original design for older operating systems like Windows XP and 7 . Compatibility and Versions