M'kay.... here's something NOT to do.  
     I ran a system restore (vista64bit) back to the day before I installed sr2.1.  Now Poser8 is at version 8.0.0.10199, according to the opening title screen (which has an extra layer of text added to the existing text listing the people involved in the making process). The odd thing is that the library still depicts larger icons, only the icon preference menu is once again removed. The biggest problem is that the whole UI is basically non-responsive now. I say 'basically' because it should never take a quad-core driven interface more than 2 minutes to respond to a click ...at least ;0)

well... I know how my Saturday is going to be now.... reinstalling Poser8  (Pfft!...think I'd rather have herpes)...

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AMD FX-9590 4.7ghz 8-core, 32gb of RAM, Win7 64bit, nVidia GeForce GTX 760

PoserPro2012, Photoshop CS4 and Magix Music Maker

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...and when the day is dawning...I have to say goodbye...a last look back into...your broken eyes.