How to open MP4 files in SonyVegas (VLC)

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SOLUTION: Modify the container without recompressing neither the audio, nor the video. VLC player was used for the lossless conversion. Download VLC player here: http://www.videolan.org/vlc/index.html DISPLAYED ERROR MESSAGES: - "Warning: An error occurred while opening one or more files. The file could not be opened. Make sure the file exists and that you have access to the file/folder." - "File ....mp4 could not be opened." PS !!! Not all MP4 files can be opened this way, some MP4 files also need a codec pack installed unto the PC in order for Sony Vegas to open it! Reconvert a video file ► https://www.youtube.com/watch?v=N4pu2GQhryc ----------------- ★Free Licensed Software giveaway! ► http://www.videoconverterfactory.com/giveaway/dvc-furulevi.html