This extractor is now built into product since 11.4 onwards.
You can get to the pre-packaged displays on it from the navigation tree in the GUI:
Knowledge > Common > PROGNOSIS
Open the Prognosis STatus display and one of the menu items at the top will be Audit Log
If you are on an earlier version of Prognosis, We can still send you the auditlog files and install steps. Just let me know and I will get you the files.