42 Computer diagnostic services; Computer network configuration services; Computer services, namely, data recovery services; Computer services, namely, integration of computer software into multiple systems and networks; Computer services, namely, managing web sites for others; Computer services, namely, remote management of the information technology (IT) systems of others; Computer technical support services, namely, 24/7 service desk or help desk services for IT infrastructure, operating systems, database systems, and web applications; Computer technology support services, namely, help desk services; Installation and repair of computer software, including mobile performance of such services on customer premises; Professional computer services, namely, network analysis, LAN/WAN design, wireless engineering, virtualization and computer project management; Remote computer backup services; Technical support services, namely, remote and on-site infrastructure management services for monitoring, administration and management of public and private cloud computing IT and application systems; Technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems; Technical support services, namely, troubleshooting of computer software problems