Sarah, don't panic, but you need to post back in the relevant thread here:
re: addwq application!!! Do you know what this is?
http://www.annoyances.org/exec/forum/win98/1094842110
I need to see the Hijack This log, so don't fix anything yet. Follow my instructions
run Hijack This and paste the log "in reply to" my message at that link. I'll look
over the log and post instructions on what to do and/or fix.