42 Design and development of computer hardware and software, in particular updating of computer software, user and rights management on computer networks, computer consultancy, computer hardware and software consultancy, computer system analyses, computer software design, computer system design, certification agency services (trust centers), namely output and management of digital codes and/or digital signatures, computer programming, virus protection, digital image processing, editing, formatting and transfer of a data onto CDs, DVDs, or other optical data carriers or other data carriers, electronic data processing consultancy, electronic data security, electronic data storage, computer programming, installation and maintenance of software, installation of computer programs, configuring computer networks by means of software, conversion of computer programs and files, conversion of data or documents from physical to electronic media, copying computer programs, computer software rental, computer software maintenance, computer data recovery