In simple terms, "Revoked" means the software has deliberately disabled your interface cable (dongle). Unlike a simple "not connected" error, a revocation is a security measure.
If you search for a fix online, you will generally find three avenues. Here is a review of each: vcds revoked fix
If you are using a clone cable that has been "revoked," software-based fixes are rarely permanent. License revoked - anyone have this happen? - TDIClub Forums In simple terms, "Revoked" means the software has
: Create a rule in your Windows Firewall to prevent the vcds.exe file from communicating with the internet. Here is a review of each: If you
Genuine VCDS interfaces contain a unique serial number and a secure microcontroller. When you connect to a car and launch the software, the system phones home (checks a local encrypted database or online server) to verify the license. If the software detects that the serial number has been blacklisted—or if it detects tampering—it marks the interface as "Revoked."
: If a genuine cable is stuck in a "questionable" state due to a failed update, you can force a re-flash through the VCI Config Utility by clicking "Check for Updates" and "Download Update" while the cable is connected.