Maintenance of computer hardware and installation of computer networks and systems

[ COMPUTER HARDWARE; ] COMPUTER SOFTWARE FOR ANALYZING, COMMUNICATING WITH, MONITORING, CONTROLLING OR RECONFIGURING OTHER COMPUTER PROGRAMS, HARDWARE AND DEVICES, DIAGNOSTIC AND ANALYSIS SOFTWARE FOR USE IN EVALUATING HARDWARE AND SOFTWARE BUGS, VIRUSES, SECURITY STATUS, INCOMPATIBILITIES, MAINTENANCE STATUS AND ANOMALIES; COMMUNICATIONS SOFTWARE FOR USE IN PROVIDING RESOLUTIONS AND ADVICE REGARDING BUGS, VIRUSES SECURITY STATUS, INCOMPATIBILITIES, MAINTENANCE STATUS AND ANOMALIES