Xcode 4: Build Failed, No Issues

Question

The app works fine in the simulator, builds and runs.

When I attach my device (iPhone 3GS running iOS 4.3) and target the iPhone, the result is \"Build failed\" with

Answer 1

Is there a space in your Target's Product Name?

I know that in earlier versions of Xcode this was no problem, but it seems that they broke something in Xcode 4 so it doesn't work any more (I suspect it's something to do with the DerivedData path nonsense). You can add a space to the name of your app as it appears on the Launchpad of your iDevice by setting the CFBundleDisplayName key in the Info.plist to something other than ${PRODUCT_NAME}.