VirtualDub is a free digital video application that you can use to make simple edits to footage. The program accepts digital video in the AVI, DIVX, MPG, MPV, M1V or DAT file format. Although ...

I was recently sent some video clips in .mp4 file format and could not open them with Windows Media Player, which displayed a message saying the file was incomplete or corrupt. I tried various ...

If you are unable to open an MP4 file on our media player, try changing the video format. There are many good video converters available on the internet that can help you convert your MP4 to MP3, AVI, ...

Q: My sister sent to me four MP4 video files that she had converted from old family films. I was able to view them and enjoy them on my computer without issue, but when I tried to forward them to ...