I've downloaded the tools and folio builder panel over and over again and every time I try to install either one of them I get this:
This is a clean install of Mountain Lion on a brand new MacBook Air. InDesign itself runs fine and CS6 is okay but I'd love to find out what the deal is here.
This does not appear to be a gatekeeper issue.
I downloaded and mounted the .dmg without error. Did you get it from here?: http://www.adobe.com/support/downloads/thankyou.jsp?ftpID=5153&fileID= 4801