Xcode won't start, stuck on 'Verifying “Xcode”…'

Question

I\'ve installed Xcode on a mac and when I try to start it I get a little window open saying \'Verifying Xcode\' with a status bar scrolling across, anyone got a fix rather t

Answer 1

A lot of talk here about exempting Xcode-beta.app from Gatekeeper, but for me, I had to make the .xip file exempt.

I placed Xcode_8_beta_6.xip into /Applications, then in Terminal, changed directory to /Applications and ran:

xattr -d com.apple.quarantine Xcode_8_beta_6.xip

Then double clicked the .xip to get it to unpack.