After opening the video editor I tried to input a MP4 video from a file. The file contained several MP4 videos previously converted from VHS tapes. The video will play without problems using any number of "players" such as media player, etc. However, the video editor will not input the MP4 video for editing. When I open the file containing the MP4 videos, a message comes back "no items match your search". This is weird and makes no sense. I am marginally "literate" with windows, having played with it since the 1990s, but this problem has me stumped.