KULOBA'S PROFILE

BGM and voice don't play

i buy game that use Wolf RPG but when i open it the BGM sound and voice not play but the sound effect still play(like open the door)

i give my frind the same game same file to my friend and when he open on his PC the BGM and voice it play like normal

i don't know what happen and i don't know how to fix it please help me T-T