How To Fix Error M3U8 Cannot Load Video

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This error message occurs more frequently when your access is blocked via a proxy server or school/enterprise firewall. In other words, video cannot currently be streamed in your region. But there can be many other reasons. The solutions may therefore be different.

Error 1: Cannot Load M3U8: 404 Not Found

Error 2: Cannot Load M3U8: Crossdomain Access Denied

Video errors can be caused by a number of factors, including network problems, server problems or the file uploaded by the trainer. If you have difficulty playing videos, here are some steps to solve the problem:

  1. Confirm your Internet connection
  2. Update your browser
  3. Close and reopen your browser.
  4. Try to view the video in an Incognito or private window by clicking on the button on your browser’s menu and selecting “New Incognito/Private Window”.
  5. If the video is successfully played back in the new window, it indicates that a browser extension may prevent the video from loading.
  6. Clear cookies and the cache of your browser (help article here how to do it).
  7. Make sure that Flash is enabled for your browser (step 3 of this article contains help on this topic for each browser type).
  8. For troubleshooting error messages “Unable to load M3U8: Inter-domain access denied”, you must work with your computer network team to check the status of your firewall.
  9. If you have a firewall, you can allow a specific HTTP header:
  10. Access control – Authorized origin: *
  11. Your IT network team may want to refer to the article on JWPlayer support.

Clear cache and cookies

To clear your cache and cookies:

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  1. Go to Internet Options
  2. General tab and Navigation History
  3. Click on “Delete…”.
  4. Select the Temporary Internet Files and Website Files, Cookies and Website Data, and History check boxes.
  5. Click on Delete
  6. Take over and OK.

To reset Internet Explorer, go to the Internet Options tab > Progress > Reset Internet Explorer settings, click Reset > Reset > Apply > Apply, then click OK.

Then restart Internet Explorer and check if the problem persists.

Assigning access rights in the firewall

Start Firewall Manually

Sometimes, the firewall can prevent certain elements of your browser from accessing the Internet, which can trigger the error to bypass it.

Enter “Firewall” in the search bar and click on the option “Allow an application through the firewall”.
Make sure that the checkbox that your browser allows is checked on both public and private networks.
If this was not allowed, tick the box and restart your browser.


I’ve worked in countless ways to stop this mistake, but it still seems to be the case. I therefore recommend that you follow the steps above to stop the troubleshooting.

I am happy to answer your question on how to repair Cannot Load M3U8 No Levels to Play. Did you find this guide useful and would you like to thank us? You can share it on Facebook, Twitter, Instagram and Whatsapp.

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