No audio format on playback panel

[Nutul]

Now there are no longer hidden files of a few kilobytes that always caused my mdp reader to fail! Thanks so much for your help. 

It would be better if you could get rid of those files on first instance... maybe your PC software adds them (are you on a Mac?)
They do not take up a lot of space, but nevertheless, still annoying useless files, and misleading, as they do not appear to be even real audio files.