I haven't seen this problem, but have you installed the service release?  It will update it to version 9.0.1.18621 (it's in the help>about screen).  It can be gotten here....

http://poser.smithmicro.com/updates.html

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The Wisdom of bagginsbill:

"Oh - the manual says that? I have never read the manual - this must be why."
“I could buy better software, but then I'd have to be an artist and what's the point of that?"
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