How to Fix the Issue of MP4 Not Being Played on Windows 11?

Recently, more and more users are upgrading their computers to Windows 11.

However, the latest Windows operating System-Windows 11, has many advanced features and bugs.

In addition, many users are unfamiliar with the new version of Windows 11; for example, many people do not know how to deal with the problem that MP4 cannot be played on Windows 11.

Therefore, this article will analyze the reasons and introduce effective solutions. If you have similar confusion, please be sure to read on.

Reasons why MP4 files cannot be played on Windows 11:

There are many reasons why MP4 files cannot be played on Windows 11.

One of the common reasons is that the MP4 source file is damaged when manually changing the video file extension to .mp4.

Some users have not installed the HEVC decoder (HEVC is an advanced video coding format) on Windows 11, which will also cause the playback of MP4 files to fail.

During our investigation, we found that outdated versions of Windows Media Player do not support playback of certain MP4 video files.

Also, the "Movies and TV" software included with Windows Media Player 12 and Windows 11 does not support many encoding formats, so MP4 videos in some encoding formats may not play.

The targeted solutions are as follows:

For the above 4 common reasons, you can refer to these related solutions.

1. Fix severely corrupted MP4 video files with a professional video repair tool.Alternatively, you can use a video conversion tool to repair slightly corrupted MP4 video files by re-encoding without changing the extension or converting the file type.
2. You can also download the HEVC codec from the Microsoft official store and third-party websites.
3. If your Windows Media Player is outdated, update it to the latest version.
4. The fourth solution is to use a player that supports more video and encoding formats and has better decoding capabilities, such as Potplayer, MPV, and VLC media player.

Or improve the compatibility of MP4 video files that cannot be played with Windows Media Player or Movies & TV software on Windows 11 by re-encoding (without changing the extension or converting the file type).

According to our test results, re-coding was the most successful solution.

On the other hand, if you re-encode without format conversion, you can preserve the extension and file type of the MP4 video file and gain more flexibility.

It also avoids compatibility issues caused by changing extensions and file types.

Next, we will show you in more detail how to fix MP4 video files not playing on Windows 11 by re-encoding.

How to Fix the Issue of MP4 Not Being Played on Windows 11?: eAskme

The best encoding tool help play MP4 on Windows 11:

Here, we would like to recommend to you WonderFox HD Video Converter Factory Pro. It offers several encoding formats, such as MPEG-4 and H.264.

It has high security, a simple interface, is easy to use, and supports batch conversion and GPU acceleration.

Our unique video encoding technology allows us to compress video file size while preserving the original video quality as much as possible.

When recoding MP4 files that Windows 11 cannot play, you can batch adjust video resolution, frame rate, bit rate, volume, channel, and other parameters or merge/split/compress videos.

Of course, you can also convert MP4 that cannot be played on Windows 11 to other formats such as WMV/MOV/MKV/AVI and other encoding formats such as HEVC/DIVX/VP9.

In addition, the software also has functions such as audio format conversion, video/audio download, audio extraction from video, GIF production, audio recording, etc.

The most satisfying thing for users is that it is also a free screen recorder for PC.

Step 1: Add unplayable MP4 files to the software.

• Activate the video recording software - HD Video Converter Factory Pro for FREE from the offer page and enter the "Converter" unit.
• Then click "Add Files" to unplayable MP4 files to the software.

Step 2: Set the encoding format.

• Click the "Output Format" panel on the right.
• Select "H264" in the "Video" tab (MP4 videos encoded in H.264 play smoothly not only on Windows 11 but also on most other devices/software.)

Step 3: Recode MP4 that won't play on Windows 11.

• Click the "▼" below to set the save destination of the output video
• Click "Run" in the lower right corner to re-encode the MP4 that Windows 11 cannot play
• Play the exported H.264-MP4 video on Windows 11 after conversion.

Recode MP4 that won't play on Windows 11: eAskme

 

Conclusion:

Here are the reasons and solutions for MP4 not playing on Windows 11. Thanks for reading. Now try this software to re-encode unplayable MP4 on Windows 11.

Still have any question, do share via comments.

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Free WonderFox HD Video Converter Factory Pro Giveaway [Official] 2025

The web is flooded with millions of videos you want to watch and save to your computer for you to watch later. However, directly downloading videos from websites and converting your favorite videos to the desired format is not easy.

Therefore, WonderFox HD Video Converter Factory Pro came into being in response to this problem.

WonderFox HD Video Converter Factory Pro Review 2025: eAskme

WonderFox HD Video Converter Factory Pro:

WonderFox HD Video Converter Factory Pro is one of the best video converters with many interesting features like converting YouTube videos to MP4, downloading videos, recording screens, editing videos, creating GIFs, and more.

In this article, we will carefully discuss the main features of this software.

Key features of WonderFox HD Video Converter Factory Pro:

These features played an intuitive and important role in the popularity of the software among users around the world.

To understand how this video converter works, let's move on to its features.

Convert videos to 500+ output formats and devices:

It supports over 500 output formats and devices, allowing you to convert video files to the most popular formats, such as WMV to MPG, AVI to MP4, MKV to MOV, etc.

If you are unfamiliar with video formats, to ensure that your video is supported and playable on your preferred device, you can also directly select the output device, such as tablets, phones, desktops, laptops, handsets, TVs, and much more.

As for audio files, it supports MP3, WAV, DTS, AAC, AC3, MKA, FLAC, ALAC, etc.

How to use WonderFox HD Video Converter Factory Pro to convert video files?: eAskme

Save content from 1000+ websites with one click:

WonderFox HD Video Converter Factory Pro is embedded with a built-in video downloader that allows you to save videos from over 1000 websites such as YouTube, Hulu, Vimeo, Liveleak, Dailymotion, Facebook, Twitter, etc. So, you can watch offline when you don't have an internet connection.

Basic video editor:

WonderFox HD Video Converter Factory Pro also includes video editing features that enable you to modify the basic elements of the video.

You can easily trim, merge, crop, and rotate videos. Filters and effects can be added to make your videos look more captivating.

More features of WonderFox HD Video Converter Factory Pro:

• Record the screen with sound.
• Convert SD video to HD video.
• Add subtitles to videos.
• Extract audio from videos.
• Convert videos and pictures into GIFs.
• Batch convert video files, up to 10 at a time.
• Powered by hardware acceleration technology to process your video files at lightning speed.

How to use WonderFox HD Video Converter Factory Pro to convert video files?

It is a user-friendly conversion program with an intuitive interface; you can easily use it by following the steps below.

Step 1: Enter "Converter" from the main interface and add video files to the program.

After starting the program, enter the main interface; there are 5 tabs to choose from, and select the corresponding tab according to your needs.

Step 2: Choose a suitable output format.

Click the "Output Format" panel to see more than 500 output formats, as said above, and select the one you need.

Step 3: Start converting video formats.

This is the last step; click the "Run" button at the bottom of the interface to start the conversion.

Pros:

• Multiple gadgets in one.
• Equipped with multi-language interface, English, Japanese, French, etc.
• Fastest speed and best output quality.

Cons:

• No Mac version.

Conclusion:

Its functionality clearly shows that WonderFox HD Video Converter Factory Pro is not an ordinary tool.

It knows how to take advantage of the device's hardware and software capabilities, fast downloads, and batch conversions.

Therefore, if you are a creator and have a hobby of the best videos for your phone, you should choose it without hesitation.

If you still have doubts, we recommend you try its free version. But keep in mind that the free version has certain limitations.

If you still have any question, do share via comments.

Share it with your friends and family.

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How to Convert VOB to MP4 Without Hassle?

As you know, VOB is one of the most common formats for storing audio and video on DVDs.

If you are looking for VOB to more common video formats such as MP4 to transfer videos on more websites and devices, we will recommend the most practical conversion tools and usage guides in this article.

How to Convert VOB to MP4 Without Hassle?: eAskme

Why need to convert VOB to MP4?

A file with .VOB extension is most likely a DVD Video Object file, which contains video and audio data and other movie-related content such as subtitles and menus.

VOB was developed as a format for DVD players and discs, so it is intended to be read by hardware players.

If you don't have a dedicated hardware player, you are not allowed to play VOB files on DVD.

More importantly, one of the advantages MP4 has over VOB as a portable video format is its support for streaming media, as most video sites like YouTube and Instagram do.

And if you want to upload HD videos to Instagram, MP4 is your good choice. In a word, MP4 is more suitable for daily use than VOB.

Best converter to convert VOB to MP4:

Maybe many users think that converting VOB to MP4 is difficult, which professionals can only do. In fact, with the help of the right third-party converter, everything will become easier.

Suppose you have no answer in your mind about what conversion tool to choose; we recommend you to try WonderFox HD Video Converter Factory Pro.

In that case, it allows you to convert VOB to MP4 with a few clicks, and it comes with a lot of custom settings, including output format settings, parameter settings, and GPU acceleration use.

In addition, it is also a multi-media tool, which can not only help you convert video format but also act as a video downloader, video editor, screen recorder, GIF creator, etc.

Detailed steps about converting VOB to MP4

Step 1: Load VOB files

Find the VOB file you copied from the DVD, open the software, enter "Converter" from the main interface, and click the "Add Files" button to import the VOB video.

Another method is to drag the VOB file to the interface directly.

Step 2: Choose output format - MP4

This is a crucial step to ensure the successful conversion of VOB to MP4; click on the "Output Format" panel to open the format list; now, you can select "MP4" as the output format in the "Video" tab.

Step 3: Convert VOB video to MP4

After setting the output format, click the "Run" button to start the conversion; this is the last step in the whole process; it takes dozens of seconds, mainly depending on the computer performance and file size.

Additional features of WonderFox HD Video Converter Factory Pro:

• Convert SD video to HD video.
• Add subtitles to videos.
• Convert audio to different formats, such as MKA to AAC, WAV to MP3, AC3 to FLAC, etc.
• Download hot videos from 300+ sites, Liveleak, Vimeo, Hulu, Dailymotion, Facebook, Twitter, YouTube, etc.
• Extract audio from video.
• Convert pictures and videos into GIFs.
• Record the screen with sound.
• Edit video files as you wish, add effects, clip, crop, cut, watermark, merge, etc.
• Support batch conversion mode, allowing to add 10 files at a time.

Conclusion:

WonderFox HD Video Converter Factory Pro is an easy-to-use conversion program.

You don't have to worry about it being suitable for experienced users because its interface is clean and intuitive, and even if you're a beginner, you'll quickly find a way to use it.

And its overall performance is very competitive compared to similar products.

What's more, it doesn't cause any quality loss. Try it out and comment below.

If you still have any question, feel free to ask me via comments.

Share it with your friends and family.

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