License holders apparently need to contact Vectorworks staff for deactivation prior to moving a license to a new/different cpu. This thread in General forum points out the situation: http://techboard.vectorworks.net/ubbthreads.php?ubb=showflat&Number=195572&gonew=1#UNREAD And many thanks to Tamsin for reporting the current answer. My wish: Uninstall process automatically deactivates Vectorworks from that computer (Y'know, via the internet), thereby making the license immediately