If you used a clone cable with official software, Ross-Tech's "anti-piracy" measures have likely deactivated (bricked) the interface. Total Clean Reinstall Disconnect from the Internet
: Windows updates may have overwritten the correct Ross-Tech USB drivers. You can find official drivers on the Ross-Tech Download Page to reinstall them via the Device Manager. Vcds License Revoked Fix
Submit a Ticket: Ross-Tech is known for excellent support for verified owners and can often "reset" your license on their server side. If you used a clone cable with official
(click "Net" then "Config"). Go to the "Update" tab and force a "Check for updates" and "Download update" even if it says it is up to date. Register the Device Submit a Ticket: Ross-Tech is known for excellent
: You are using a non-genuine Ross-Tech cable with newer software that has detected and "blacklisted" the hardware [1, 2].