No routine to retrieve the interface IP address is being called. mIRC is passing a copy of the hard-coded Unicode string "127.0.0.1" to CStaticPortMappingCollection::Add(). I've sent a PM with more details.
Also, there is apparently no Service Pack 3 for XP 64-bit. It's 32-bit only. This is strange, because I could have sworn I installed SP3 even though Control Panel->System->General was for some reason still saying "Service Pack 2"; I assumed this was just because the the disc I installed was SP2c.
Last edited by Deadcode; 25/10/13 11:39 AM.