False alarm -- I figured out how to kill the thing. I reinstalled it, this time associating it with NO file types whatsoever. Then uninstalled it. That worked.
Now that i have a life back, is there a way I could use winamp for liveatc but not have it be the default for any other applications, including music and video files? I sure agree that wmp does not play nicely with this site, and I really like the site, and I really am not a Msoft fan so using some other ap does appeal to me, especially if it gets me past this wmp/liveatc problem.
Any suggestions welcome and appreciated,