msgfix32.exe is a Trojan W32.Sdbot-AGH. msgfix32.exe opens a back door on IRC channels. msgfix32.exe spreads via open network shares. Related files: %System%\msgfix32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill msgfix32.exe process and remove msgfix32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.