Typically this means that when the file was converted it had an error or installed a faulty codec. You can try to convert the file again or use another codec to convert the file to try to fix the problem.
By Datatronic Control|2015-03-27T20:43:35+00:00March 27th, 2015|Sign Software Issues|Comments Off on I converted a video file to a format DCIdesktop can use. Now it is displaying “No Preview Available” in the playlist library.