Your office technology rarely fails in a sudden, spectacular explosion. It would almost be easier if it did, because then you'd know exactly when to fix it. Instead, computers usually die a slow, agonizing death that chips away at your team's productivity—a few seconds at a time.
Think about your car. If the engine drops out on the highway, you notice immediately. But if the alignment drifts a fraction of an inch every month, you just subconsciously adjust how you hold the steering wheel until one day your tires are completely bald.