Do not throw your fingerprint scanner away. By resetting the USB stack, purging the ghost drivers, and disabling Windows signature enforcement, your register key will return to a "Cold" ready state, allowing you to finally enroll your fingerprints.
How to Register and Activate Your ZKBioLock Software: A Step-by-Step Guide zkbiolock register key hot
// Register fingerprint with 3 samples bool success = machine.SetUserInfo(machineNumber, userId, name, "", privilege, enabled); zkBioLock: Register, Key, Hot — An Exploratory Essay
To transition from a trial to a fully licensed version (ZKBio-HOTEL-BIOLOCK), users must follow a specific registration and activation sequence: purging the ghost drivers