42 Technical support services, namely, providing installation, maintenance, and updating of computer software related to diagnostic and calibration tools and equipment for automotive systems; Technical support services, namely, providing installation, maintenance, and updating of computer software related to diagnostic and calibration tools and equipment used in the maintenance and repair of automotive systems; Technical support services, namely, troubleshooting of computer software problems for diagnostic and calibration tools and equipment for automotive systems; Technical support services, namely, troubleshooting of computer software problems for diagnostic and calibration tools and equipment used in the maintenance and repair of automotive systems.