InfoPath Dev

I have tried many iteration from the following MS article http://msdn.microsoft.com/en-us/library/ms772417(office.12).aspx.  The URL below will not open the item "formitem1.xml" into inforpath client.  I just get "The Form Has Been ...

So I'm driving myself crazy with a problem I can't seem to find solutions for: I have a  multi-select list box (Teams_Impacted) that gets data from a sharepoint list (Business Units).  After I have selected the Business Unit names (BUName), I want to update a text field (Approvals) with the selected BUNames and associated data ...