If you think that it is not the last time you will have to open the MP4 file on the media player, installing the codec is a good idea. Solution #4 – Install the Required CodecĪnother way for you to watch MP4 files on your Windows Media Player is to install the necessary codec to open the file format. Download and install it on your computer for you to start watching your video. Other tools are compatible with the MP4 file, like the VLC Player. If you don’t want to convert the file, you can use another media player to open the MP4 file. So, do your research to get the best video converter that suits your current need. There are countless options for this tool, but only handful are really worth the try. Look for a reliable video converter for MP4 files on Windows 10. Some of the default file formats include the Windows Media Audio (WMA), Advanced Systems Format (ASF), and the Windows Media Video (WMV). Since the Windows Media Player cannot play the particular MP4 file, you can convert it to another video file format playable in the media player. Solution #2 – Convert the MP4 file Credit: Flaticon Now, follow the on-screen instructions to troubleshoot.Look for the Windows Media Player Settings.Solution #1 – Run the Troubleshooter on Your Windows Media Player Check out the solutions below to find out how to fix the error. There are several ways on how you can deal with the MP4 file not playing in Windows Media Player. How to Fix Windows Media Player Can’t Play MP4 Video Files on Windows 10 And that’s where trouble can come if the specific codec is not yet installed on your PC. However, since MP4 is a multimedia file container, which means that it can contain different codecs for audio and video, just like an MKV file do. If you try to open an MP4 video file on Windows Media Player in Windows 10 computer, it shows the error message, “ Windows Media Player cannot play the file.”Ĭommonly an MP4 file can be played natively on Windows 10 through Windows Media Player. But, while Windows Media Player supports several media formats, some files cannot be played such as MP4. Listening to music or watching videos can be easily and automatically played on the media player. When it comes to Windows computers, one of the most common tools we use is the Windows Media Player.

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