MIRC logon trouble!

Closing Link: 0.0.0.0 (You match the pattern of a known trojan, please check your system with a cleaner from http://www.moosoft.com or Swat-It from http://www.lockdowncorp.com/bots/downloadswatit.html)

that is the message that i get when i tried to sign on. i ran norton anti virus and trend micro and it found nothing.

what the heck is going on here?:cool: