When using the software, say "wrong to get the serial number of the dongle! Please confirm whether the "dongle" is inserted and how to deal with it.
There may be several cases of this error. 1. The dongle is not inserted. 2. The dongle is inserted but not recognized. If there is a driver, you can reinstall the dongle driver and insert the dog again. 3. The dongle is broken. 4. This software is pirated. If you are a genuine user, you can ask the software developer for the specific reason, so as to solve the problem faster