Bug in sound with headphones

If i listen music (and video) with headphones and i disconnect them, VLC doesn't sound. I have close VLC and open it for i can listen something again. I have a laptop with windows 7 32bits, and the files are MP3 and AVI(MP3 audio). I have not trying with another type files. the log file continuously say:

aout_directx error: GetCurrentPosition() failed!

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information