Have you seen this?
http://www.updatexp.com/0x8007007E.html

>Terry - Had client set Outlook as default, same error.
>Haven't done anything with appointments. Mostly using to automate emails.
>
>
>Anyonr else know what might be causing OUTLOOK2003 and XP to give the following error message on the createobject code below.
>
>"OLE error 0x8007007e. The specific module could not be found."
>
>They have 3 other version of OUTLOOK including 2002 and all work except OUTLOOK 2003.
>
>Gaylen
>
>
>>>Client just got several new computer with 2003 Outlook. I get a module cannot be found error when I try to create an outlook object as follows:
>>>oOUTLOOK= Createobject('outlook.application')
>>>
>>>The code works for all versions of Outlook except 2003. Any idea what is happening?
>>>
>>>
>>>Gaylen