Vlk
11
It’s because it’s trying to listen on a port that’s already in use (most likely by Spamhilator).
You need to reconfigure either avast or Spamhilator to use other port numbers.
It has already been discussed for a number of times here, see e.g. http://www.avast.com/forum/index.php?board=2;action=display;threadid=2351