1995 Altima. I have 2 working windows and 2 non-working. The drivers side window started intermittently not working and now it became stuck in the down position. The right rear passenger window will not go down. The other two work normally. Anybody have an idea where to begin? Does this sound like a switch issue? Motor/regulator issue. Thanks for any tips.

For anyone with the same problem, I answered my own question, so I'll share. This was a simple fix as it turned out to be the master power window switch in the driver door. I swapped this out for a used switch and all of the windows now work. The R and R requires merely prying out the old switch carefully, unplugging from the harness, and installing the new. No need to remove the door panel.