HKLM\Software\Microsoft\Active Setup\Installed Components\{5A8D6EE0-3E18-11D0-821E-444553540000} Deleting this key prevent ICW to be active when you launch IE for the first time ... and it works for every new user [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Runonce] "^SetupICWDesktop" Deleting this key prevent ICW shortcut on desktop ... and it works for every new user HKEY_CURRENT_USER\Software\Microsoft\Internet Connection Wizard Completed = "01,00,00,00" Modifying this value prevent ICW to be launched only for the current user In a normal circumstance, combination of the first and second actions should be enough