Being a tech consumer is a treacherous endeavor these days. Installing software, upgrading a piece of hardware or even just plugging in a new peripheral is a pursuit wrought with danger. That’s because, as a man named Murphy has us conditioned to believe, something will inevitably go wrong. And when things do go haywire—when Part A won’t play nice with Part B—you’re left trying to figure out just what’s to blame. Is it your operating system? Is it the USB port on your computer? Is it your thingamajig’s firmware?