LINUX 8.0 :unable to play audio.. video.. cd... in my system
 

I have pcquest linux 8.0 operating system in my pc (P4 1.8 Ghz, 256 DDR)
I am unable to play audio.. video.. cd... in my system.
It gives message:
Sound server error while initializing driver
device : /dev/dst/ can't be open

Please help me out.

praveer