To disable video thumbnails run the command "mplayerthumbsconfig" and add all video extensions (avi, mpg, mkv, mp4, etc.) to the "Blacklisted file extensions".
This solved the problem for me.
To disable video thumbnails run the command "mplayerthumbsc onfig" and add all video extensions (avi, mpg, mkv, mp4, etc.) to the "Blacklisted file extensions".
This solved the problem for me.