Hey, thanks, but I did all those things in the very beginning! But- I NOW have it working, by- 1. Completely un-installing P5. Then re-installed it using "Custom" and selected only P5 "basic stuff" and "runtime". It STILL installed all kinds of other garbage ANYWAY, including all the Avatar characters and other crap I don't need- but anyway- I installed SR-4 over that, re-booted, and its working O.K. so far (having actually done NOTHING so far). 2. Also went ahead and removed "Content Paradise" using the nice tutorial over at Poser Pros by Netherworks. O.k- now that hopefully someone is still reading this thread, how do I add new runtimes? I scanned through the PDF manual and they only mentioned adding Libraries. Yet when I was mousing around inside the "Expressions" folder it had an option to "Add New Runtime"- so I did. But then I realized I didn't want my P4-Props under "Expressions", so I deleted it. Then searching under Props and Figures, I could NOT find any option there for adding a new runtime. So what-where is the menu-trick for doing that? If this is in the PDF P5 manual, where is this listed? I couldn't find it- but then, I didn't read every single word in there.