The same thing's been happening to me lately as well, on several different computers. Using any browser (IE11, Firefox, Chrome, all the latest versions), tried both 32-bit and 64-bit versions of Java installed as well - they all fail, or spin forever saying "Analyzing Computer" forever.
Who does one talk to to debug problems with the intel driver update tool? It seems all links lead to that tool, and if it's broken, there's no easy way to find your drivers and Intel keeps directing us to the motherboard manufacturers.