42 Installation, configuration and maintenance of computer hardware, computer peripherals and computer storage system hardware; technical consultation in the fields of computer hardware, computer software, computer storage systems, computer storage system relocation, disaster recovery, data backup and data integrity assurance; installation, updating and maintenance of computer storage system and disaster recovery software; technical support services, namely troubleshooting of computer hardware, computer software and computer storage system problems; computer disaster recovery planning and data recovery services; application service provider (asp), namely, hosting computer software applications and data of others; computer software and network design and customization for others; and related services