Liftmaster Garage Door Troubleshooting Start Stop issues.

I have been fighting intermittent issue with my garage door opener not opening or closing my garage. The one thing it was made to do. Basically it starts then stops or reverses. Open & Close have the same issues. Things I have tried: 1. CHECK THE SENSORS - Multiple times 2. LED lightbulb remove/replace 3.TRACK ALIGNMENT 4.TRACK Clean/Grease 5. Kick, Curse & Pray. But I finally found it. Disclaimer: Due to factors beyond the control of Old Dude, I cannot guarantee against improper use or unauthorized modifications of this information. Old Dude assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Old Dude recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Old Dude, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Old Dude.