Hi Justin,
Thank you for posting your query in Microsoft Community. I can imagine the inconvenience you are experiencing at this moment. Do not worry, I will assist you on this.
I suggest you to try the steps suggested by Anoop P K on November 20, 2012 in the Microsoft Support article mentioned below.
Unable to install Windows updates. Stuck at configuring windows at 30% and restarts
Hope this information helps. Otherwise, please write to us, we will be glad to assist you further.