Ace DivX Player Ace DivX Player is the best Windows Media Player replacement program, it plays movie and music in formats including DivX, AVI, MPEG, WMV, ASF, MP3, CD and Video-CD. What Ace DivX Player offers you is what a handy movie and music player really should does: Powerful Playlist, Freely resize movie window and full-screen playback with onscreen controls.