Rerun the command in mIRC 7 and report results:

//echo -a $os $version $md5($mircexe,2) $file($mircexe).sig $script(0) $dll(0) $com(0)

Also, how are you connecting to IRC? through a bnc?

- argv[0] on EFnet #mIRC
- "Life is a pointer to an integer without a cast"