Xcode 4 hangs at “Attaching to (app name)”

Question

I just upgraded to Xcode 4 and for some reason my app won\'t run in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press ru

Answer 1

My problem was also a folder named "resources" on the root source folder. Looks like it conflicts with some internal build naming.

Renaming the folder to "res" solved the problem for me.