Microsoft Windows NT 4.0 SP6a CALLCONT.DLL, CRYPT32.DLL, CRYPTDLG.DLL, GDI32.DLL, H323MSP.DLL, IPNATHLP.DLL, MF3216.DLL, MSASN1.DLL, MSGINA.DLL, MST120.DLL, NMCOM.DLL, RTCDLL.DLL, SCHANNEL.DLL, SOFTPUB.DLL + H323.TSP Security Vulnerability Fix (English) Microsoft Security Bulletin MS04-011 - Critical Security Update for Microsoft Windows (835732)