I added a .VOB file from a DVD of home movies. When I play it in Clip Preview, the audio is from a .VOB file I used in a previous project (never saved). I then closed VideoPad, removed the DVD, deleted temporary files, restarted the PC, reopened VideoPad, added the .VOB file, same result. Is the program leaving files somewhere on my PC that is causing this. Problem has happened multiple times, but previous starting over resolved it.