I have power windows, I replaced the window motor on the drivers side. on 1993 Pontiac Grand Am

All worked fine for a year now the widow will not come up stright. The front of the window stays down and will only come up part of the way. I have removed the door panel and down see any problem.
Any ideas?

2 answers
1-Window out of track most likely in the front! 2-Window retainer loose most likely on the rear. Look closely!
poss regulator is bad