i am also having this problem, been looking for a couple days now and there are still no answers but i have sound some links on the mirc website that could help.

http://forums.mirc.com/showflat.php?Cat=...amp;amp;fpart=1

this page has several links that seem like they could be pretty helpful. i would try them but im on a public computer right now, so someone tell me if anything worked or not...