Open "config.asp" in a text editor. There is a number of lines immediately after this
You will see a number of connection strings and a set of database types from which to choose. Pick the database type and connection string which matches your configuration. If you're using the default configuration, then you should use strDBType="access" and the MS Access 2000 connection string. You will have to change the path to the database to reflect where you've put it.