I have imported a picture of the error i get. I am using an mkv file and when I try to trim the video i get this error. It even gives me the error if I try to drag it to the timeline... I get "the specified file contains no video data"... I am not sure why. I have tried other mkv files and they work. But every episode I download for this specific show, I get errors. Even though in VLC player there is no problem watching the video. Has any experienced this?