Computer programming, rental of computer software, maintenance of computer software, recovery of computer data, computer systems analysis, consultancy in the field of computer software, updating of computer software for others, leasing access time to a computer database, computer software design, research and development for others in connection with computer virus vaccine programs, technical researching the field of computer virus vaccine programs, computer software for the protection of a c...

Computer antivirus software; computer utility software; computer network security software; computer software for use with electronic mail, local area network, internal corporate network, file, groupware application, and proxy servers; computer software for the protection of a computer system or computer network from unauthorized electronic intrusion; computer software for blocking hostile computer code; computer software for diagnosing and repairing computers and computer software; computer ...