Creators of computer software provide the most up-to-date versions of their computer software on an update service. A user who has purchased computer software calls the update service on a periodic basis. The update service automatically inventories the user computer to determine what computer software...http://www.google.ca/patents/US20020016956?utm_source=gb-gplus-sharePatent US20020016956 - Method and system for identifying and obtaining computer software from a remote computer