A.anti-virus definition file. B.drivers installed. C.release of the operating system. D.security and software patches.
A.The user has not registered the copy of Windows. B.The user has not applied at least Service Pack 1 to their system. C.The user does not know what site to access for the updates. D.The user needs to flush the DNS cache.
A.critical updates B.software updates C.driver updates D.virus definition updates