TG,
On a long shot, under usersadmin, do you have a shortcut directory named Application Data?
If so, is there a Poser8.0?
As an aside, Vista32 here, I just did a file search for poser.ini and the P8 ini didn't show up in the search. P6, P7, and Poser Pro ini's show up, but the P8 ini doesn't.