Xcode process launch failed: Security

Question

I have been developing an app for 1 or 2 weeks now and just yesterday I have updated my iPhone 5S to the iOS 8 GM. Everything worked fine and I could test on my device as we

Answer 1

SETTINGS -> GENERAL -> Profiles & Device Management choose the developer profile and push Trust.

if you do not have Profiles & Device Management menu you have to enroll your device on beta.apple.com and download the profile from Safari.

1. install the profile
2. Restart your device
3. tap on the developer profile and trust.

You are all set.