May be in some s/w u hv mutes the sound (by mistake or manually), thats why whenever u open that s/w it automatically mutes the system sound also.
And when u open other s/w to listen something u find the sound muted...
Hi Guest we just wanted to alert you to a major change in the forum. We will no longer be allowing the posting of outgoing links. Please use the attachment feature to attach media to your posts.