Logic Pro "additional content" download issue

I had Logic Pro downloading some "additional" items overnight. Asked my password to install, re-started... and nothing was installed. Plus, when I tried to restart dowloading, it says things like "downloading 6.8 of 4.2 Gb done".

How can I erase the already downloaded items, and start all over again? I have already tried trashing and re-installing with no lock. I'm running Lion on an brand new Mac, no illegal content and plenty of free disk space.

Help, please!!