However, if you plan to work on 2010+ models (Golf MK6/MK7, Audi A4 B8/B9), do not waste your money on the 120. Invest in a proper OBD programmer.
Go to Device Manager on your PC and ensure your cable is set to COM Port 1, 2, 3, or 4 . Match this setting within the software's "Options." vag+eeprom+programmer+120
