How to Fix Cannot Load M3U8: Crossdomain Access Denied

How to Fix Cannot Load M3U8: Crossdomain Access Denied


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The ?Cannot load M3U8? error occurs when you try to play a video on the internet. The error might display three different types of messages ie. ?crossdomain access denied?, ?No levels to play? and ?404 not found?. Get solutions from this post given by MiniTool to fix the issue.

Cannot Load M3U8

The ?Cannot load M3U8? error prevents you from playing the video, and the error is not limited to a specific browser, and almost all browsers have reported the error like Google Chrome and Microsoft Edge.

In this post, I will provide you with a detailed guide to follow those methods and also inform you about the reasons which trigger the problem. Here are three of the most common causes for the ?Cannot load M3U8: crossdomain access denied? error.

Firewall: The ?crossdomain access denied? error message is caused by the blocked proxy or firewall. Some videos may be blocked in your country, or for some reason, the firewall may consider it dangerous, so it may fail to load with this error.

Cookies: You see this?No levels to play? error when you deny access to third-party data and cookies in your privacy settings.

Removal: If the platform or uploader deletes the video you want to watch, the message ?404 not found? will appear.

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The 404 not found error will prevent you from accessing the content you want. It?s important to figure out what happens & how to fix it.

Then, here are some methods that you can try to fix this issue.

Method 1: Grant Access to the Firewall

The first method you can try to fix the Cannot load M3U8 error is granting access to the firewall. The steps are as follows:

Step 1: Type Firewall in the Search box to open Firewall & network protection. Then click the Allow an app through firewall option.

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Step 2: Make sure the box that allows your browser is checked in both Public and Private networks.

Then restart your browser and check if the ?Cannot load M3U8 crossdomain access denied? error has been fixed. If not, move on to the next solution.

Method 2: Allow Cookies

Sometimes, the use of third-party data and cookies is not allowed because of your privacy settings that will cause the ?M3U8 crossdomain access denied? error. You can allow cookies and third-party data in your browser. Here I take Google Chrome and Microsoft Edge as examples.

For Google Chrome

Step 1: Open Google Chrome, click the three dots in the top right-hand corner and click Settings.

Step 2: Scroll down and click the Advanced option. Now click Site Settings under the Privacy and security setion.

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Step 3: Select Cookies and site data. Make sure that the Block third-party cookies option is unselected.

For Microsoft Edge

Step 1: Open Microsoft Edge and click the three dots in the top right-hand corner. Then click Settings.

Step 2: Then select Privacy & security settings.

Step 3: Now make sure that under the Cookies section, the Don?t block cookies option should be selected.

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When you install an adware program on your system, the notification often says ?Critical Error?. Here are how to fix Microsoft Edge critical error.

Then End

Have you met the ?Cannot load M3U8? error message in your browser? Now, it is your turn to try these methods mentioned in this post to get rid of the issue. I believe that one of them can be helpful to you.

Originally published at on December 4, 2019.


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