Install somewhere NOT a "Programs" or "Programs(x86)"! Documents or root of the "C" drive is fine. I installed to my documents like Poser pro 2010 does and have had no problems since. I know your irritation all to well. Been there,done that, and got the "I hate Windows 7" tee-shirt!!  :laugh:

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!