Hmm what I usually do in cases like the "Yoshis HairRuntime... case is that I extract it to my desktop, then I go into the Yoshis Hair folder, and drag-and-drop the Runtime folder with all it's contents into my h:Programmermeta creationsPoser 4 folder :o) (oh and I have a shortcut on my desktop that takes me to my Poser 4 folder btw)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.