"Unable to play selected files" via network

Hi,

Since the lastest upgrade, my WD TV LIVE doesn’t play any *.mkv file from my network.

It works from the usb key.

Can you help me… Please.

Thanks

Roll back

http://wdc.custhelp.com/app/answers/detail/a_id/5800/session/L3RpbWUvMTMxNjk2Mjc2Ny9zaWQvQWRRUTItRWs%3D