If you're running Poser Pro 2010 in 32-bit mode, it could be related. If you're running the 64-bit version of Poser Pro 2010, it probably isn't. The 64-bit version uses AIR, not Flash, and that is in a separate process.

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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)