XCode 4.6.3 crash everytime I open it on OS X 10.9.3

Question

I updated Mavericks 10.9.2 to 10.9.3 and downloaded Xcode 6 beta. One of my project is still in Xcode 4.6.3. So now whenever I open this project Xcode crashes with the following

Answer 1

So it turns out Xcode 4.6 does not work with iTunes higher than 11.4.

Instructions how to downgrade you may find here: http://osxdaily.com/2014/10/26/downgrades-itunes-12/