Computer rental; computer diagnostic services; testing of computers; computer system analysis; computer software design; maintenance of computer programs; computer software consultancy; computer software consultancy; computer software research; rental of computer software; rental of computer hardware; computer software programming services; computer engineering consultancy services; computer technology consultancy; computer software research services; updating of computer programs; computer forensics; computer aided testing services; computer programming and maintenance of computer programs; updating of computer software; recovery of computer data; writing of computer software; testing of computer software; computer software testing; configuration of computer software; quality control relating to computer software; computer analysis; maintenance of computer software; testing of computer programs; editing of computer programs; information technology [IT] consultancy; software development, programming and implementation; modifying of computer programs; repair of damaged computer programs; analytical services relating to computers; technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems; support and maintenance services for computer software; diagnosis of faults in computer software; advisory services relating to the use of computer software