Okay thank you!

Code:
on *:op:#: {
  if (($opnick == $me) && ($nick != $me)) {
    /echo $chan hi
    var %i = 1
    while (%i < 20) {


So when ChanServ ops me, my mIRC freezes. I Ctrl Break, and the line halted was the while line... Did it several times. I don't know why mIRC freezes.