I recently installed MPCSTAR and although it plays nearly every video formats using its builtin codecs, I'm unable to play any audio files with it. I wonder if it is a video only player

^ I haven't tried MPCSTAR. I am using MPC-HC (Media Player Classic Homecinema) and it works great.

For audio I mostly use MPC-HC and Winamp. I know Winamp is heavy on resources but it is still great. :)

^actually there were some video formats (i don't remember currently, bcz i delete some videos after watching them ;)), which MPC-HC didn't play, so i searched for some other player and found MPCSTAR.