HowTo: Windows Media Center – Priorities of languages and subtitles with Shark007 Codec
To other video formats such as. Mkv files in Windows Media Center in Windows 7 To play, you need the free Shark007 Codec. In any case, the need to x86 application and a 64-bit Windows 7 additionally x64 application be installed.
In the x64 application, I recommend the box “Shark007 SUGGESTED settings” to set. This will be the best settings for Windows Media Center set and thus enables Smoothly movies adventure.

But that's not enough: To languages and subtitles professionally for other video files to set, that will automatically play with the right main language and the subtitles are correct, it is advisable to perform the following steps:
Because the Windows Media Center in Windows 7 not all video- and audio formats supported by house, , the Media Center with the free and free Codec Pack of 