Zone Alarm, its like a all in one.
Search the exceptions. And make the mirc.exe exception.
For Kaspersky Antivirus MaFi0s0 say in
http://forum.kaspersky.com/index.php?showtopic=6399
used to know mIRC scripting inside and out, and it is posible to run mIRC(with a script preloaded) and have it wipe out your whole computer on next reboot, just by running the mIRC.exe file, it is also posible to get mIRC to download and execute files from the internet.
But isn't a virus...
Cya!.-
