I too installed SP2, and I did so from the Windows Update thingie. Mostly Poser runs OK but I have had some strange quirks that I haven't seem before - vanishing cursor (previously only encountered while using MetaForms) and sometimes clicking a P5 material file doesn't have any effect until I restart Poser. Those CAN be coincidental of course. As a whole I'm satisfied with SP2, I like the new pictures-in-emails blocker a LOT. My Max has been acting strange though, but again I don't KNOW if it's related to SP2.

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.