Xcode cannot run using the selected device after upgrade to Xcode 5.0

Question

I upgraded to xcode 5.0 today. I then pressed play to run my project in the iOS simulator. This initially worked. Then I decided that I wanted to run the profiler. When I did th

Answer 1

Please follow below step

1>Go to Project Build setting

2>Change compiler for c/c++/objective c as Default compiler(Apple LLVM 5.0) (see in below image)