Here is what I would post to blizzard if I could submit a ticket.
I am trying to install the game from the web. I download the installer and when I run it it crashes the computer before is gets to 2 percent downloaded. I am running it as administrator. There is no agent process to be found I have windows 7 64 bit. Playing a game should not be this complicated and the technical support part of the website is confusing as hell. There are to many problems that do not look related to mine to search through. My issue is simple. I install and it crashes. I have already uninstalled everything twice and reinstalled it to watch it reboot my computer over and over again.