media player error C00D1059

[BKBremen]

on video life transmission via internet there was error C00D1059. in webhelp
it is said: This error might have been triggered by an error in another
programm of windows.
Original error message: Windows media Player cannot play the file. the Player
does not support the format you are trying to play.
Additional information is not currently available for this error.

[Harshal]

Please take a look on your video file again and please tell us the exact file format of the file. The last 3 letter must be t-4-2