Drivers Side Door Windows (both of them) Problem

Just noticed last night, that both windows on the driver's side lower themselves slightly when I open the driver's door, which I believe is intentional and designed to reduce wear on the seals when opening and closing the doors. However, now neither window is going back up when the door is closed, not even when I lock the car.

Is this a common problem?

Is it an easy fix I can take care of on the driveway, or is MB Sugar Land going to get another handful of my Ben Franklins to put this right? Monsoon season is nearly upon us down here in Houston, and I really don't want to come back to wet seats day in day out.

Thanks.