ｍｅｄｉａ　ｐｌａｙｅｒで音楽を聞こうとしてもエラーが出てファイルを再生できません。

tbd

When I try to listen to music with media player there's an error and I can't play the file.

彼のエラーがなかったなら我々は勝てたのだが。

tbd

If it had not been for his error, we would have won.