To bypass the problem, proceed and reset Firefox to default settings. Easy fix to the video not loading problem! That’s it.Firstly, you have to start Mozilla Firefox and type or copy/paste the below-given data in the URL field.Now, you will see a warning message stating that “This might void your warranty,” here you have to click the button “I accept the risk!” and continue with the configuration page.Now, in the search box, you have to copy & paste “media” text. But in case, if the media file could be played in the browser that you use, and come across the error, then follow the below-discussed list of solutions to fix error loading media issue it on Mozilla Firefox browser.Generally, Firefox has set to update automatically by default. So, you can go ahead and follow the steps on how to update the Mozilla Firefox browser.First of all, open the Mozilla Firefox Browser on your system and then click on the Menu button (three horizontal lines) available at the top right-hand corner of the address bar.Now select the Help button and then click on About Firefox.After that, the About Mozilla Firefox screen will open, and Firefox will search for updates and automatically download them.Once the download completes, you have to tap on “Restart to update Firefox.” You can see in the image below.Now you have the latest version of Mozilla Firefox installed on your system and see the error Loading Media File Not Found has fixed or continues still, if yes, then go ahead with the below method-2.In some scenarios, turning on the hardware acceleration may also result in causing this error. Press question mark to learn the rest of the keyboard shortcuts. After Firefox restart, try to play a video on YouTube and, depending on the effect, perform the suggested action:What worked for me was to start firefox with extentions. Then don’t worry. Here you have the possible ways mentioned in today’s article to fix it.

The next step to resolve the 'YouTube video not loading" problem in Firefox, is to delete the browsing data.

For instance, let us consider videos on entertainment and live streaming sites for sports and others?

We hope that you have finally fixed the Error in Loading Media: File Could Not Be Played with the above solutions. asked May 7 '12 at 20:36. The cause of “Loading Media File could not be Played” may occur due to the media player, or it can also cause even from the browser end.

Open OneDrive for Business in IE browser. Here, the preference creates the conflict and stop the Adobe Flash Player from not functioning correctly. r/firefox: The latest news and developments on Firefox and Mozilla, a global non-profit that strives to promote openness, innovation and opportunity … Press J to jump to the feed. Try to play a youtube site, and when it failed, then one by one disable extensions, then reload the failing youtube tab to see if that fixed it. If the problem persists, continue to next step.The next step to resolve the 'YouTube video not loading" problem in Firefox, is to delete the browsing data.

However, every cloud has a silver lining. To do that: 1. html firefox html5-video mp4. I don't understand why loading the video URL will play the videos fine but loading the video into a video tag fails.

Step 3.

Solution: Turning off hardware acceleration will solve the problem. ‘I had HTML5 videos that would not play in Firefox.

There are many similar Video DownloadHelper downloading issues. So, whenever you face the Error Loading Media File, it could not be played in Firefox, then quickly troubleshoot it and make your browsing experience better than ever. In some cases, these videos from other websites and platforms, such as YouTube, perform well, but others don’t work at times. a. Press question mark to learn the rest of the keyboard shortcuts Archived. In that case, you have to disable hardware acceleration.