How to fix “failed codesign verification” of an iPhone project?

Question

Last night, the iPhone project was built perfectly.

This morning, I installed XCode 3.2.3 in a separate folder. When I open the same project in

Answer 1

The parallel XCode problem can be addressed using the command line tool "xcode-select"

I found a similar problem caused by having XCode 4.2 beta installed. One of the embedded entitlements files was being placed in a different directory and was causing a file not found error.

The solution was to use xcode-select to verify and fix the XCode path.