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How to Fix Netflix Error Code Issue M7121-1331-P7

Netflix is a popular streaming service that gives its customers access to a huge library of movies and TV shows. This service is accessible from virtually any computing device thanks to a special application available for Android and iOS platforms. On computers it can be accessed via a browser. Although it is a stable platform, sometimes you have difficulty accessing Netflix. In this last article in the series we answer a question about the Netflix error code M7121-1331-P7.

Before performing any of the recommended troubleshooting steps below, it is best to restart your computer. This action updates the operating system and temporarily deletes damaged data that may be causing the problem.

Error code M7121-1331-P7 typically occurs when trying to access Netflix from a browser and is caused by corrupted cache data. Here are the steps that need to be taken to solve the problem.

Use a browser that supports HTML5.

The best way to access Netflix is to use popular browsers such as Chrome, Firefox, Edge and Safari, as these are officially supported and compatible with HTML5. A less popular browser may not have this feature by default, which can cause this problem. You can check that HTML5 is enabled in your browser by visiting this YouTube site

Check that the problem with the Netflix M7121-1331-P7 error code remains.

Disconnect the chrome extension cable

If you are using Google Chrome and you have multiple extensions installed and enabled, this may be the cause of the problem. You need to disable all extensions and then see if this solves the problem.

  • Open your Google Chrome browser and enter the following address in the dialog box: chrome://extensions
  • Unplug each cooker hood.
  • Chrome restart

Check that the problem with the Netflix M7121-1331-P7 error code remains.

Try updating the Widevinedecryption module .

If the Widevine is outdated or spoiled, this can be a problem. You should try to update this section, and then see if that solves the problem.

  • Open Google Chrome
  • Type the following address in the address bar and press the Enter key: Chrome: // Components/
  • Go to the bottom of the page until you find an entry called Widevine Content Decryption Module. Press button Check for update below.
  • Update your page. If the status Updated is displayed below the plugin, it means that the plugin has been successfully updated.
  • Reboot the computer

Check that the problem with the Netflix M7121-1331-P7 error code remains.

Deleting browser data

Occasionally damaged cache data in your browser may cause this problem. If this is the cause of the problem, you should delete the data from your browser.


  • In the Google Chrome address bar, type chrome://settings and press Enter.
  • Go to the bottom of the page and press Advanced.
  • Scroll down to the advanced menu and select Clear Data.
  • Make sure all controls are enabled in the new pop-up window and that the time range is set to All Times. Click on Delete data to delete all data from your browser.
  • Reboot Chrome.


  • From the History menu, select Delete recent history.
  • If the menu bar is hidden, press Alt to make it visible.
  • Period to be deleted : Select the desired range from the drop-down menu; to empty the entire cache, select All.
  • Click the down arrow next to Detailsto select the history items to be deleted; to clear the entire cache, select all items.
  • Press . Now remove.
  • Exit/Close Open all browser windows and the browser again.


  • Click on the Hub icon in the upper right corner (looks like a star with three horizontal lines)
  • Touch the history icon (which looks like a clock) and then touch Clear All History.
  • Select Show history, then Cookies and saved location data, then Cache and files. Press Delete.
  • To All clear! a message appears, exit all browser windows and open the browser again.


  • From the Safari menu, select Delete History . or Delete historyy and website data .
  • Select the desired time range and then press Delete history.
  • Go to Safari > Close Safari or press Command Q to close the browser completely.

Check that the problem with the Netflix M7121-1331-P7 error code remains.

Updating/reinstalling browser

If the problem is caused by an outdated or damaged browser, you will need to upgrade or reinstall it.

  • Press Windows + R, , type appwiz.cpl in the dialog box and press Enter.
  • Go to the application manager, locate the target browser, right-click and select Delete.
  • Restart your computer and go to the official website of the browser you deleted. Download the latest version from an accessible location and install it.

Check that the problem with the Netflix M7121-1331-P7 error code remains.

Checking the status of your Netflix server

It is possible that the problem is caused by a stand-alone Netflix server. You can check the status of the server by going to If he’s not here, you just have to wait until he’s back online.



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