INT 2F - Network Courier E-Mail OPERATOR.EXE - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. AH = 9Ch AL = subfunction 01h uninstall Return: ??? Program: The Network Courier is an electronic mail package by Consumers Software of Vancouver, BC which was bought by Microsoft in 1991 and renamed Microsoft Mail v3.0. SeeAlso: AH=92h Index: uninstall;Network Courier E-Mail OPERATOR.EXE