I know about all these losses. If this copy protection could be relied on to stop piracy. But it won't, when some teenage hacker has made a hacked version that doesn't need the code or a dongle. Apple tried copy protection long ago when the Apple ][ was the latest thing out and desktops didn't have even DOS or equivalent but ran in BIOS, and it didn't work then. It is like being a sheep farmer in the mountains in north Wales: each spring the foxes are going to take a proportion of your young lambs, whetever you try to do about it, and that is the way of the world as long as foxes and technology are as they are now.