I had this exact same problem and it was so frustrating to be 99% done and then get that pesky "you need to install updates before proceeding", but I did 12 times already!! GRRRR. I deleted my cookies, cleared my cache, tried other browsers....all at others suggestions. Then, I uninstalled the software and reinstalled it. All tax info on returns was preserved, as was my credit payment for the state filing fee. It worked. My returns transmitted on the first try.
