A coated cemented carbide cutting tool member having excellent ability to prevent breakage and chipping around its cutting edge, exhibits high wear resistance in severe cutting operations comprises a hard sintered substrate and a hard coating layer deposited on the surface of said substrate, the hard coating layer comprises an alternated multi-layer structure having a total thickness of between 0. The ring assembly has an outer diameter and a main section adjacent the outer diameter. The component configuration database is used to update a plurality of software components including a kernel in a transaction, and perfectly recover from an update error.