I was using a cracked Cubase Audio Falcon 2.06 until my original arrived, and it hardly ever had problems. I still use the cracked version, but I have removed the crack and plugged in the dongle. The crack is just a loader program that changes the main program once it is loaded in memory.
There is no difference between the cracked and non-cracked versions except for that one loader program.
I have had lots more crashes running it with the dongle that without.
In your case it looks like the dongle is dead if it doesnt work on any of your machines, so you might have to use the cracked version after all.