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

Some times it happens because you have two projects with same name. Try this:

1. go to xCode preference choose location and click on DerivedData delete the DerivedData
2. Reset and force Quit Simulator
3. Force Quit The Xcode and restart

If it has not worked than restart your PC.