I'm experiencing some troubles too. I run the install and then when the bar is approximately in the middle the installer crashes, I put a tick over "Show Log" option and I don't see any files being transferred, it stops in a file and then the installation progress stays always in the same. Here is the file it stops: Downloading SceneObj/scn_town_18_walls.sco.
Thank you in advance, I hope everything's solved in less time possible, since I am not the only one experiencing troubles with the installation.