Are you using mIRC v6.35?
Do you have the required DLL's in the mirc directory when mIRC loaded?

try this and post the output

//echo -a RES: 1 $version 2 $sslready 3 $isfile($mircdirssleay32.dll) 4 $isfile($mircdirlibeay32.dll)

[02:16] * Titanic has quit IRC (Excess Flood)