Updating of computer software; rental of computer software; maintenance of computer software; installation of computer software; computer software consultancy; software as a service [SaaS]; software development in the framework of software publishing; user authentication services using single sign-on technology for online software applications; computer design and development; computer software design; design and development of computer game software; update and maintenance of computer software; software design consulting; installation, maintenance and repair of computer software; development of computer software; installation, maintenance and repair of computer software; design and development of computer software; updating of software for data processing; troubleshooting of computer software problems; duplication of computer software; design of image processing software; providing computer software design for others; computer software update service; debugging computer software for others; maintenance of computer software for internet; maintenance of computer software relating to computer security and prevention of computer risks; internet access software rental; design and writing of computer software; updating of computer software relating to computer security and computer risk prevention; writing and updating of computer software; development of software for secure network operations; computer software maintenance services; updating and maintenance of computer software; upgrading and maintenance of computer software; computer software installation and maintenance; rental of computer software; computer software consulting service