“Xcode” is damaged and can’t be opened. You should move it to the Trash

Question

Installed XCode 6 on Mavericks. It din\'t run. Updated OS to Yosemite 10.10 : Now Xcode.app (installed through *.dmg) launch fails wit

Answer 1

I found this solution helpful and follow these steps:

1. run this command into terminal sudo spctl --master-disable it may ask your user password.
2. go to System Preferences -> security and privacy -> general tab -> check Anywhere option on bottom.

Hope it helps someone.