Interface Builder doesn't work

Question

I have a trouble with Interface builder: I downloaded the iPhone SDK 4 but Interface Builder doesn't work: when I open it, it close immediately. What can I do???

Answer 1

I'd suggest a re-install of Xcode and the SDK to see if that clears the problem.

Answer 2

Yes I did but it's thé same thing but when I instal the SDK on my other Mac, it's working

Answer 3

I got the same problem too, but not sloved yet.