If you are looking for an older version of AutoRun then don't worry, I have all major releases archived. Just send me an email at firstname.lastname@example.org and I'll send you a link. Also send along:
The name or email address used to purchase so I can look up your serial number for you.
Remember that even though your updates might have expired you can still use your last updated version as long as you like. Some of the major archived releases are: