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Help Please With Xcode.

Hey i use a treehouse template or my own code in xcode however, i run it and it says build successful however nothing gets printed, then a box comes down saying either: process launch failed: invalid host string: '(null)' or process launch failed: failed to bind to port 0 on plz help.

3 Answers


I'm not an Xcoder (yet), but I did find this link and it seems to have a solution for you. Hope it works.



just trying to repair my hard drive now, hope it works!

Sorry to hear you have hard drive issues. Hope it is repaired without loss!


it hasn't worked so i will keep looking thx for the help though.