You are trying to install or open an app that didn't come from the Mac App Store but you got a message saying App can't be opened because it is from an unidentified developer. This is how you bypass it.
Not sure if that really is the correct name of the recipe, but one thing I do know for sure, that this is one delicious way to prepare your potatoes and a great side dish to your meals.
See these never before seen incredible looking images of unborn animals that were made with a combination of ultrasound, wee cameras and computer design.