: The machine's ignition must usually be "On," or the starter rope must be pulled to wake the electronic control unit (ECU) during the initial connection. Core Functions of SDS 2.0
If the error persists, navigate to your computer's . Find the STIHL Diagnostic Interface under "Ports" or "Universal Serial Bus controllers." Uninstall the driver, unplug the device, and plug it back in to allow Windows to fetch the latest driver from the STIHL software directory. Staying Up to Date stihl diagnostic software 20 fixed
Launch the software and select the correct communication port. STIHL Diagnostic Software 20 (Fixed): The Digital Gatekeeper