A method of executing a diagnosis program including multiple procedures wherein the diagnosis program does not specify an order in which the procedures are executed comprises receiving priority information specifying an order in which a plurality of automated diagnostic procedures is to be performed in a computer system. The plurality of automated diagnostic procedures is performed in the specified order, wherein each of the plurality of automated diagnostic procedures passes or fails depending on at least one condition in the computer system. The priority information is updated if more than one of the plurality of automated diagnostic procedures fail.