I think this may be the case with the created content not actually stored in the Poser 7 runtime but in the virtual location.  IIRC, Windows 10 UAC for its Program Files folder prevented content from being saved back to the parent runtime, it relocated the actual content to a different location on the drive but kept the pathway link to the main Poser folder.  The content is not lost, it's a different place.  Like Y-Phil, I don't have P7 installed anymore although I still have its runtime as an external folder.  We need verification that the main P7 folder was indeed in the Program Files folder and that everything that was created and saved was placed there.  Also, I don't recall if P7 actually had the feature that when you hovered over an icon with your mouse a pathway balloon appears.  We need to find the Forum threads dealing with the virtual 'drive', I do remember Bagginsbill chiming in on those posts.