If you paid $49 for it and didn't get any expansion I say delete it. Use and dealing with flakey authorization seems to outweigh price when it comes to disk space. Do I really need a bloated drum kit when there is Komplete, EZD, AD2, IK, to fill my needs. I have Melda MDrummer which I should investigate more.
BTW nothing from support yet.
Google Error #403002 for BFD and it's a shitload of links.