Error during Xcode Component Installation

Question

I just installed a software update that I was prompted for, presumable affecting Xcode. Now when I start Xcode, I am presented with a dialog box which states that Xcode must in

Answer 1

Using cugino's answer above solved it for me. In my case, the certificate used to sign the .pkg file had expired. This may be the reason for anyone experiencing this after February 14, 2015