1. A method of operating a computer system to provide a user with efficient access to at least one log data file created by executing a program, comprising electronically: loading the at least one log data file; applying a filter criteria to the at least one log data file; creating an event list of events matching the filter criteria; creating an indexed log file that provides a link between at least one event in the event list and a corresponding location in the log data file; and displaying the event list to the user via a user interface.