Active sound mixer device problem
Hi,
I'm Sharif. I'm using Windows XP on my desktop. So far it was a nice experience but in recent times I am facing an unwanted problem. like, after closing my media player for some times I can not reopen that & my pc becomes mute. I can't adjust my volume level. If I click on the volume icon shows "There is not any active sound mixer device on your computer. Please check your hardware & install device from control panel". But if I restart my computer, sound becomes normal & no problem occurred. Again after closing media player for sometimes it occurs again.
What is the problem? What should I do?
Please inform me.








