The window regulator for 3 of the 4 windows have failed, the first at approx. 80,000 miles, the second two at 113,000 miles. The windows were not being operated when the component failed and just randomly opened while driving and could not be closed via the switch. This caused distraction and difficulty driving as it was raining for the second incident. When observed, the plastic window regulators were degraded to the point that the plastic was a powder.