Clips Changed - Window gets stuck again

[stevekat]

My driver's window got stuck down. Took door apart, saw damaged clip that attaches to wire. Got window up, ordered new clips for cable, and new inserts for attaching clips to windows glass. Replaced both sets of each in front driver door. Things went up and down fine.

Later, while driving, put window all the way down, and it got stuck again. Was able to get it back up by tilting bottom of glass. Not sure what is happening. With these clips all replaced, what is the next thing to examine?