Quote - Just discovered something.  I may have been too POed to notice the obvious.  I had been hoping that it was something like this. 
When you click on a folder with a ? on it there's a button that appears at the end of the folder name.  That button is a refresh button that forces a scan of the folder.  The button is a long ways from being obvious.  It has a small circular arrow which I had assumed was telling me that it was working on scanning the folder.
Still not sure why they don't have it automatically scan the folder when there's a request to open it but I'll settle for usability even if it is more than a bit clunky.

It is automatically scanning the folder. There's something wrong. The refresh button just issues the scanFolder request again. But as soon as a folder appears in the tree, it is scanned, whether you open it or not.

Out of curiosity, start Poser and click anywhere on the GUI. Hit F7, F8, F8. A log will appear. Anything nasty in there? Anything about faults?

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)