Mozilla Firefox is one of the best internet browsers out there and millions of computer users use it to access social media platforms, play online games, stream YouTube videos, and for other purposes. However, several computer users recently complained that YouTube videos are not playing on the Mozilla Firefox browser on their computer.
If you are stuck in such a difficult scenario, you need to take note of the fact that malfunctioning or corrupt plugins might be the major culprit behind this browser error. In addition to that, YouTube also needs Adobe Flash Player to play videos. So, if the Adobe Flash Player in your device is frequently crashing, then it might also be the reason behind YouTube videos not playing error on Firefox. However, you will be easily able to fix this irritating browser issues through the following troubleshooting steps.
Update your Browser
It might come as a surprise to you when you hear the fact that most of the common browser errors, including the Firefox not responding error, usually affect computer users who are using an outdated version of the browser. So, you will initially need to check whether you are using an outdated version of Mozilla Firefox. If yes, updating it to the latest available version might enable you to fix the issue with ease.
Update Adobe Flash Player
Another important thing you need to note is that you will need to install Adobe Flash Player to play YouTube videos on Mozilla Firefox browser. Using an outdated version of Adobe Flash Player is not also a good move because it will also prevent the YouTube videos from playing on your computer. So, update Adobe Flash Player to the latest available version and see if the issue is resolved or not. If you have no clear idea on how to update Adobe Flash Player, it is best to seek the help of an expert browser support technician.
In some cases, some of the plugins that you have installed on your Mozilla Firefox browser might have become malfunctioned or corrupted. If that is the case, then these plugins will be responsible for the Firefox error that you are experiencing. So, disable all the Mozilla Firefox extensions to see which one of them is corrupted. If you are able to find the corrupted plugin and disable it, you will be able to fix YouTube videos not playing on Firefox error with ease.