Ah! Thank you, Laurie. :)

 

Well, I've just done a completely fresh uninstall, reboot, deleted the Poser folders in AppData, updated Flash and Adobe Air, installed Poser9 using ALL the default folders, installed service pack 3 and gave Poser internet access.

 

Then went and banged my head off the wall a few times... Still doing the same thing. I'm stumped! :D