Thanks, after reinstall I had to redo the settings, among which was file identification
![Tounger :p](./images/smilies/orctong.gif)
Most avis work now, but mkv and mp4 still don't. I'm downloading the newest CCC now, although my graph card is too old apparently for Win8 :S
edit: mmm, CCC doesn't seem to really do anything...
edit2: I had the wrong CCC apparently, all fine now, thx!