How to Fix HTML5: Video File Not Found Error on Chrome

HTML5 video is an excellent way to include video content on a website. It’s easily embeddable and compatible with all major browsers, including mobile devices. However, you may encounter an error message stating, “HTML5: Video file not found.” This issue can arise if your browser lacks HTML5 support or if there’s a backend issue on the webpage.

Fortunately, MobileUnleash is here to offer quick and hassle-free solutions to such problems. Read this article thoroughly to resolve HTML5 video issues and enjoy uninterrupted video playback.

HTML5: Video File Not Found Error Fixes

1. Download Missing HTML5 Codecs

If you encounter an “HTML5: Video file not found” error, it could mean that your browser doesn’t support HTML5 or that the website is missing the necessary video codec. You can either update your browser to the latest version that supports HTML5 or contact the website’s developer to install the required codecs.

2. Ensure Your Browser Is Up-to-Date

HTML5 is the current standard for embedding videos, so an outdated browser may not support it. To check if you’re using the latest version of Chrome:

  1. Open Google Chrome and click the three dots in the top-right corner.three-dots
  2. Hover over Help in the drop-down menu and click About Google Chrome.about-google-chrome
  3. A new window will display the current version of Chrome. If an update is available, you’ll see an Update Google Chrome button. Click it to install the latest version.

3. Clear Cookies and Cache Data

Clearing cookies and cache often resolves HTML5 playback issues. Although these files aim to improve your browsing experience, they can sometimes cause errors. To clear cookies and cache in Chrome:

  1. Click the three vertical dots in the upper-right corner and select
  2. From the left-side panel, select Privacy and Security and click Clear Browsing Data.clear-browsing-data
  3. Choose the Time Range for which you want to clear data.time-range
  4. Uncheck the Browsing History box, leaving only Cookies and Cache checked.clear-data
  5. Click Clear Data and restart your browser. Try playing the video again to see if the issue is resolved.

4. Disable Hardware Acceleration

Hardware acceleration can sometimes interfere with video playback. Disabling it may resolve the issue. To do so:

  1. Go to Settings and select System from the left panel.system-chrome
  2. Find the Use hardware acceleration when available option and turn it off.turn-off-hardware-acceleration
  3. Restart Chrome and try playing the video again.

5. Use Incognito Mode

Using Chrome in Incognito Mode won’t necessarily fix the “HTML5: Video file not found” error, but it can help you identify the cause. Incognito Mode disables some features and plugins that could be causing issues. To use it:

  1. Open Chrome and click the three vertical dots in the upper-right corner, then select New Incognito Window.incognito-mode
  2. A new window will appear. Try playing the video in this window to see if the error persists.

6. Reset Browser Settings

If the above methods fail, resetting Chrome to its default settings may resolve the issue. To reset:

  1. Open Chrome and go to Settings.reset-and-clean-up
  2. Select Reset and cleanup from the left panel and click Restore settings to their original defaults.reset-settings
  3. Confirm by clicking the Reset settings button in the pop-up window.

7. Download Video for Offline Playback

If all else fails, consider downloading the video using a third-party service for offline viewing. Websites like can help you download videos from various platforms:

  1. Visit the website hosting the video, right-click on the video player, and select Copy link address.copy-video-url
  2. Go to and paste the copied link into the input
  3. Click the download button to see a list of available
  4. Select your preferred format and save the video to your computer.


1. Why doesn’t my browser support HTML5 video?

If you’re using an outdated browser, it may not support HTML5 video. Consider updating your browser or contacting the website’s developer for further assistance.

2. What causes the ‘HTML5 error loading, please refresh’ message in Chrome?

This error can occur for various reasons, including temporary issues with cookies or incompatibility with the latest video codecs. It may also happen when trying to view older content that only supports Flash.


This article has explored the most common causes of the “HTML5: Video file not found” error and offered effective solutions. If these methods don’t resolve the issue, consider contacting the website’s developer or downloading the video for offline viewing.

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