[Michel Cachor]

hmm if you need to convert m4v files you might want to check audials moviebox out, i know it’s a pretty good converter when it comes to converting protected video files. i generally use it for itunes videos but it works great with other formats too. anyway..there is this tutorial you can take a look at, if you think this might help you: https://audials.com/en/s/converter_conversion/video/convert_m4v_to_mp4.html