I would imagine that Khaled will need a fair bit more information than this to diagnose this problem and if necessary fix it.
He may not have a copy of the mirc_ss.dll and may not understand what it is supposed to do - and he will certainly need the script you use to drive this DLL, possibly simplified to the shortest form possible whilst demonstrating that it worked on 7./63 and no longer works on 7.64 - so you probably need to provide these.
