electric windows

I have a good one for you: Right now my rear passenger side window will not roll up. It is only half way down and it will continue to roll further down (I have tested this twice). On a couple of occasions the driver's door has done the same, however when I open the door, it rolls back up...

I have replaced the manual windows in my truck with electric. Everything works fine....but.....when the window comes down, it tilts forward. The back of the window doesn't stay in the back runner (it did with the manual. (on the electric, everything is in the right place and bolted down...