I'm having the same problem. I'm on a fresh install of Windows 7 home premium (SP1, 64bit) and I'm currently installing windows updated (151 of them!). I've tried IE, Firefox, and Chrome and all of them download a 1099kb file that just tells me "there was a problem with this download. Please return to the download page and start the process again".
I've even emailed myself a link and it fails in the same fashion.
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