Hold on a second. Everything was working great, then you got a dialog box "There are compatibility problems which will be fixed." ?!? That's not a Poser dialog. Whatever that was, it made a mistake, and trashed your system. Based on your description of the sequence, everything was perfect until this mysterious piece of software "helped" you by "fixing" something that didn't need fixing.

It would be nice to see a screen shot of that message. Did it, by any chance, say anything about Norton or McAfee?

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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)