Check your USB connection. Re-run the driver installation wizard from the VCDS directory.
Open VCDS, navigate to Options , choose USB , and click Test to verify successful software-to-cable communication. Core Capabilities of the Software VCDS 24.7.1 SOFTWARE MULTILANGUAGE FREE FOR ALL
In the world of automotive diagnostics, a cheap or free tool can end up costing far more than the price of the genuine article. Check your USB connection
VCDS is software made by a company called Ross-Tech. It turns your Windows computer into a powerful diagnostic tool for cars. Mechanics and car fans use it every day. navigate to Options