I am on a Mac and one thing I have noticed is and it varies for no reason that I can discover...when I load a pz3 and props and hair props fail to make the transition, I open the pz3 with a text editor and do a search for / and replace with :   When the / shows up in the file path name of the objects instead of the :  sometimes they don't load.  Sometimes being subjective as it is baffling in that sometimes it matters and other times it appears not to matter. You resave the pz3 after these changes and re-import. So far on files I have intermittingly had problems with, this solves the problem and everything loads. Can't hurt to give this a try and I would be very curoius if it solves your problem too.

P7 sr2 to V6 Inf latest beta.

Gary

"Those who lose themselves in a passion lose less than those who lose their passion"