passenger side window off line

I know that its seems like you have already answered this question in other forums but my problem is a little different. my regulator is fine, no noise, no torn or frayed cables. it is just that as i roll my passenger window up at the very end it goes offline. I have taken off the panel and have been completely succesful in not being able to see what the hell is going wrong. any help would be awesome, the quicker the better because right now my door is pretty ugly. thanks

1998

yeah its a 98, for some reason it goes offline to the left when i roll it up
the funny thing is if I guide it with my finger it goes up just fine.

yeah its a 98, for some reason it goes offline to the left when i roll it up
the funny thing is if I guide it with my finger it goes up just fine.
I hope someone knows, I've got the same problem.