Quote: I unpack into Content (DS user). I prefer a Runtime to extract.

                          Quote: That's great if you are a DAZ studio user.

It's great if you're a Poser user too! Learn to install to the Poser Directory and not the runtime and it will install perfectly every time! IE:

Installer: Where do you want me to install?

User: C:Program FilesPoser 8

Simple huh? Works like a charm every time. (Unless the vendor didn't create the zip with a runtime in it,  then you're back to being screwed.)