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Customer has tried to install revit structure 2012 upgrade 1 in his stand-alone computer, but it was unable to install it. It stopped around 80% in the process and did not have any response. i have attached the image.
Can you make sure that UAC and Anti-Virust Software is turned off?
http://upandready.typepad.com/up_and_ready/2011/05/windows-user-access-control.html