A computer salesman, a tech, and a programmer are driving in a car, and they have a flat. They all get out to survey the problem. "Well, we need a new car," says the salesman. "No, no," says the tech, " we'll just get the spare, and then replace each tire in turn until we find the bad one." "Wait," says the programmer. "Maybe if we leave it alone it will fix itself."
First we close all the windows and if that doesn't work we turn it off and on again.