http://bugs.winehq.org/show_bug.cgi?id=11981
--- Comment #5 from Leonardo lleoliveirabr@gmail.com 2008-03-23 14:23:06 --- Hi i did LA suggestion and get this work ok now. I don't know if is a wine bug or Miranda bug, i just can confirm that on Windows it's not necessary go to Settings-Customize-Protocols and presses Reset here.