Unfortunately, it was a fresh install on my machine, so there were no preferences to delete.
The good news is that the latest build you provided does launch! However, I'm running into some strange graphical corruption issue:
It happens if I create a new project or load up an existing one.
Yes my workmate happens to be running on this also on his macbook pro retina. I never had this on my mac pro 2014. Could be a video card issue. What is your computer and card?