MartinC, You don't need to send your copy back, from what I hear it has all sorts of aweful bugs :-) We chose not to use dongles- they cost more for us to buy than what it costs for us to print and package Poser 4, and there is no reasonable cross-platform Dongle that is universal, USB vs Serial vs ADB vs Smart Card. And supporting them is very tough, development and hardware conflict wise. Lightwave is moving away from Dongles due to many issues with them. And should, as happened at Meta happen in your office, many Dongles were stolen right off the backs of computers, rendering usable copies of MAX 2.5 unsable. Some pro users we've surveyed even find they are working with three, four or more Dongles.