If you have no communication at all, verify the data link connector fuse in your vehicle, as a blown fuse will prevent the interface from powering up. VCDS ® HEX-V2 ® Enthusiast - USB Interface
For the best security and to prevent the software from affecting your main OS, run the VCDS clone software inside a Windows VM with network access disabled. Hardware Limits: Vcds Hex V2 Clone Repair
If you want, I can: