1. A system for automatically generating a workflow report for testing a computerized system and other uses, comprising: at least one computer including: at least one log file including records identifying time stamped non-test actions performed by a user of a computerized processing system and actions performed by said system; a repository of stored predetermined data patterns associated with workflow tasks performed in a workflow by a user and a system; a parser for automatically parsing records of said at least one log file to identify a sequence of time stamped workflow tasks performed during a time period encompassing an error using the predetermined data patterns; a report generator for automatically generating a workflow report comprising the identified workflow tasks and associated time stamps indicating non-test workflow tasks performed by the system and user during said time period in sequence; and an executable procedure generator for using the workflow report for generating executable procedures replicating the identified system and user non-test workflow tasks in said sequence.