I'm on Poser 4 on XP and it consistently fails to render above a certain size, saying "out of memory". As I only use it Poser rendering for checking the look of a figure before I export it, no big deal, but there's something wrong because there's no way it's REALLY out of memory - it's a s/w bug. Also, with two or more Victorias / Mikes in the same scene it disables the "body" morph controls for the second one (or rather, it ignores their values). I assume this too is because it can't find the required memory, but the problem is with the s/w not with the computer RAM.