Front-right&back-left windows stuck closed. Troubleshooting tips?Solutions?

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About a year ago my front passenger window just stopped working. I attempted to put it down one day and it was unresponsive. I had never attempted to get this fixed...I had just accepted it for the time. But about a month ago when putting my back driver side window up it just stopped. Right in the middle. Not completely up not completely down...just enough to taunt and infuriate me. Do you know how hot it is when not using a/c in the summer with only one front and one back window down...the back one locked in kid safety...ugh. ANYWAY, I want to fix this myself, however I can get no clear picture from everything I have read. Its the motor, its the regulator, its the master switch, its the rear switches, use the switch from the passenger rear for the broken driver rear to test the motor, then...the switch from the passenger rear wont work on the driver rear window. SERIOUSLY? I checked the fuses and replaced a bad one for the driver right window. The moment I hit the switch it blew the fuse again. removed the rear left window motor. So where should I start? Can anyone tell how they resolved this issue.