
To resolve this issue, try VLC media player. MP4 is a container that contains various kinds of data, so when there is a problem opening the file, it usually means that data in the container (an audio or video codec) is not compatible with the device’s OS. On some devices, particularly mobile, opening this file type can be problematic. On Windows, it opens in Windows Media Player.

There is no need for third-party software. Load an ISO file to convert the video files it contains without needing to extract them first. Lossless encoding is used for maximum quality. Convert individual files or batch convert your files. Input video format: MP4 with H264 codec video, and AAC audio with 44100 / 22050 hz sampling rate, mono/stereo. Prism converts AVI, MPG, VOB, ASF, WMV, MP4, AMV and many more video formats. AMV Converter encode MP4 video in AMV (Actions Media Video) video format in order to play it in s1 mp3 mp4 portable players. For this operation, were making no adjustments to anything in the Output Settings. Browse your file system to where the troublesome file is located, select it, and click 'Open.' Now you see the file were converting listed under the Source heading. Simply double-clicking the file opens it. Convert videos from MP4 to AMV video format to play it in s1mp3 portable players. Click the 'Source' button and choose 'Open File' from the dropdown choices.

MP4 files open in the operating system's default video player. Many consider MP4 to be one of the best video formats available today. It is also a popular video format for streaming over the Internet, such as on YouTube. It is compatible with a wide range of devices and operating systems, using a codec to compress file size, resulting in a file that is easy to manage and store. MPEG-4 (MP4) is a container video format that can store multimedia data, usually audio and video.
