To confirm, are you getting the exact same error as described in this troubleshooting video?
http://www.youtube.com/watch?v=eMJFp90Zxgw
Do you use Internet Explorer? If you install the latest flash player through IE, does it make a difference?
Can you locate the quickstart.html file in C:\Program Files (x86)\Digidesign\Pro Tools\QuickStart\ and then right-click and choose to open it with Internet Explorer? Does the menu display properly in IE?