I would assume that you have a problem with WIndows's security system. Normal programs may not write into the program folder. To avoid further problems, deinstall Poser and install it in another folder - not in one of the programms folders. Then everything should work, IMHO.

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

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