Hi First time poster. Please forgive me if this has been asked and answered, I couldn't find it anywhere. I'm using ViMu to play content from my DLNA server (though other players seem to have the same issue). A small number of my files have artifacts at the top, left hand of the screen. Probably 5% or less. When played back on other DLNA devices, there are no issues. I would really appreciate it if someone had some advice. See attached. Thanks!