No patch is gonna rebuild that core engie which is very outdated. But I haven't gone back to ProPack either-- because, well, because I had just as many crashes in ProPack, I just could do a lot more with a lot more figures before I crashed. ProPack wasn't slow like 5. I know some people pose and everything in PP and render in 5. But the libraries-- how on earth can you go back to library maddness and I do admit I am very fond of FireFly as a renderer. I hope Daz Studio puts me out of my misery but it's bound to have some quirks as well, maybe I'll prefer Firefly it just would be nice to have a choice. I still don't quite understand why CL didn't rebuild the core. I'm hoping it wasn't incompetence, but. . . Oh, I don't remember if I gave system specifics-- XP Pentium 4 2.4Gprocessor, 2GRam, 30G available space-- around 4G virtual. Emily