If you have tried steps 1-6 on two different computers, the dongle itself may be failing.
This error can bring production to a grinding halt. Without the software recognizing the security measure (commonly known as a "dongle"), Wilcom refuses to run. This article provides an in-depth look at why this error occurs, how to diagnose the hardware, and the steps you can take to resolve it.
If you have recently reinstalled the software or updated your system, you may need to re-link your security codes to the device.