error: failed to attach to process ID 0

Question

I have been reading the forums and so far none of the solutions suggested works for me. I\'m running Xcode 4.4.1 and testing in iPhone 5.1 simulator. The simulator won\'t op

Answer 1

I had the same problem and I found that you can't be using the root account on your Mac. If you are logged in as root you are not able to attach process to the Simulator. You have to be logged in as a different account.