Thanks, works fine!

Regards, Willy

The free K-Lite codec pack should help.

https://www.codecguide.com/download_k-l ... _basic.htm

MM does not play MKV files.

I have ripped a dvd into mkv files. They do play with VLC player but not with MM.
I have installed the additional codec pack.

Any suggestions what could be the problem?
Thanks.