1. A method for providing updated antivirus files to a plurality of client computers on a local area network, the client computers being supported by a common service computer on the local area network, the common service computer being operated by a system administrator, the method for providing allowing for minimal affirmative involvement by the system administrator in updating antivirus files on the plurality of client computers, the method for providing comprising the steps of: installing the updated antivirus files on a central antivirus server, said central antivirus server comprising: an antivirus database, said antivirus database comprising: an identifier for the local area network; an identifier for each of the plurality of client computers on the local area network; a first field for storing an identifier of the operating system used by each of the plurality of client computers on the local area network; and a second field for storing the identity of the last updated antivirus file received by each of said plurality of computers on the local area network; transmitting the updated antivirus files from said central antivirus server to a push administration computer connected to the Internet; transmitting the updated antivirus files from said push administration computer to said service computer using push technology; and executing an automatic installation script at said service computer for automatically installing updated antivirus information on said plurality of client computers across the local area network; wherein said transmitting steps include: transmitting a ping signal from said service computer to said push administration computer, said ping signal including information identifying said service computer; transmitting a first query from said push administration computer to said central antivirus server, said first query requesting an identity of updated antivirus files appropriate for the service computer; transmitting a first response from said central antivirus computer to said push administration computer identifying said appropriate updated antivirus files; and transmitting said appropriate updated antivirus files from said push administration computer to said service computer.