Firmware Mismatch: An interrupted firmware update can corrupt the internal license key on the cable.
The "VCDS License Revoked" error typically occurs when the Ross-Tech VCDS software Vcds License Revoked Fix
: Connect the cable to both the laptop and the car (ignition on), go to , and click disable your internet and antivirus
: Create a Windows Firewall rule to block VCDS.exe from all outbound and inbound traffic. Vcds License Revoked Fix
: Completely uninstall the software, disable your internet and antivirus, and reinstall using the specific drivers that came with the cable. Summary of Causes Description Piracy Detection
Open the utility (usually found in C:\Ross-Tech\VCDS or the Start Menu). Click on Update or Check for Updates .