Just as you are about to test your first program, a vacuum decay event spontaneously occurs, instantly killing you before spreading to destroy the universe.
I wish that I could see into the infrared and ultraviolet parts of the electromagnetic spectrum.
You become stupid. So stupid, in fact, that your brain begins to fail with every thought you have; it simply can't handle processing more than one thing at once. As you slowly sink to the ground, suffering from suffocation, a massive heart attack and failure of the nervous system, your last thought is of confusion (not formed into proper English).
I wish I had a better computer.
Hundreds of millions of chickens are slaughtered daily. Within a few weeks there are so few left, they are put under an environmental protection law. You now cannot legally purchase them.
I wish we had infinite chickens.
Granted. In order to guarantee reproduction even if they were the only remaining chicken, they have to reproduce asexually. As a result, mutations quickly spread.
I wish for a decently-sized, personal supply of chickens.