Advisory services relating to computer software; computer security services (design and development of secure computer hardware, software and systems); computer security services (programming and software installation repair and maintenance services); computer software advisory services; computer software consultancy; computer software design; computer software development; computer software engineering; computer software licensing; computer software programming services; consultancy in the field of computer software; design and development of computer software (for others); design of computer software; development of computer software application solutions; development of software; installation of computer software; licensing of computer software; licensing of software; software creation; software engineering; upgrading of computer software; writing of computer software