42 Computer software design; computer software development; developing computer software; computer software consulting; computer software consultancy; software engineering services; updating of computer software; upgrading of computer software; maintenance of computer software; installation of computer software; repair of computer software; copying of computer software; software design and development; testing of computer software; services for updating computer software; troubleshooting of computer software problems; writing and updating computer software; consultation services relating to computer software; installation and maintenance of computer software; maintenance and updating of computer software; maintenance and upgrading of computer software; updating of computer software for others; updating of software for data processing; rental of software for data processing; software engineering services for data processing; rental of software for Internet access; research and development of computer software; services for maintenance of computer software; design and development of computer software; design and writing of computer software; maintenance of software for Internet access; consultancy in the field of software design; installation, maintenance and repair of computer software; installation, repair and maintenance of computer software; development of computer programs recorded on data media (software) designed for use in construction and automated manufacturing (cad/cam); development and creation of computer programmes for data processing.