msguid32.dll is a Trojan W32.Francette-X. msguid32.dll opens a back door on IRC channels. msguid32.dll spreads via open network shares. msguid32.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\msguid32.dll More info: http://www.sophos.com/virusinfo/analyses... Removal: Remove msguid32.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.