link g4 extreme (red case) downloaded the software, ecu is powered up correctly, but cannot connect to the software, in device manager it has the yellow exclamation mark, I have reinstalled the software a few tines now and still no luck, link ecu software will either say searching, or if in manual mode check to see if usb is powered up , connected etc, this is the first time connecting to this ecu btw
any help would be appreciated