Codecs to play .mkv format video file in computer using Windows Media Player

How to fix .MKV Format video file not playing in Windows media player problem. Download and install codecs to make Windows media player to play .mkv format video file. MKV File uses a new codec that is not installed on your computer.
When i try to open .mkv format video file with Windows media player, i am getting a window state with the message 'The selected file has an extension (.MKV) that is not recognized by Windows media player, but the player may still be able to play it. Because the extension is unknown by the player, you should be sure that the file comes from a trustworthy source. Do you want the player to try to play this content?. When i click yes, i am getting the error "Windows media player cannot play the file. The player might not support the file type or might not support the codec that was used to compress the file".
Solution: Download and install K Lite codec pack for free and create file association for Windows media player. That's all, now you can open .mkv format video file in Windows media player.