Computer hardware; computer utility software; computer software for detection and removal of computer viruses, for management, administration and optimization of computer networks and applications, for protection and security of computer networks and applications, for analysis of fault and performance of computer networks and applications, for analysis of computer network traffic, for surveillance of computer network traffic and detection of intrusions, for encryption and authentication of data, for software distribution, for software and hardware inventory, for remote access to and control of computer networks, for updating of computer software, for detection and repair of computer software and hardware problems, for privacy of communications and transactions over electronic communications networks, for creation and maintenance of web sites, for crash protection, for compression and expansion of computer files, for recovery of deleted computer files, for development of computer software, and for transmittal and retrieval of data and documents, all in the field of communications and business applications; manuals provided together with each of the foregoing goods