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

I tried everything and nothing worked. I have an old project from XCode 3. I simply renamed info.plist in the project to another name, restarted the simulator and everything is working fine since.