I'm having the same problem with the missing or damaged DLL message,
except that my "default" is Corel Windows 8, which I use, buyt never
for messaging/emailing.

I hope others can help

SnowCritter wrote:
> I'm running Office 2003 Professional (fully patched and updated) on Windows
> XP Professional (also fully patched and updated) and I've run into a snag.
> The problem manifests itself as follows:
>
> 1) Open Word.
> 2) Select "Tools -> Letters & Mailings -> Envelopes & Labels"
> 3) Click on the "Insert Address" icon above the Delivery Address text box
> 4) In the "Choose Profile" dialog, click the "New" button
> 5) Select "Manually configure information services" and click "Next"
> 6) In the Windows Messaging System Setup Wizard, select the default profile
> name ("Windows Messaging Settings") and click "Next"
>
> After step 6, I receive the following error message:
>
> The following unrecoverable erro has occurred:
> The .DLL file for this service is either damaged or could not be found.
>
> I get this message on other computers as well. The common thread being that
> all are fully updated and patched versions of Windows XP and they have fully
> updated and patched versions of Office.
>
> How can I determine which .DLL file is either damaged or missing?
>
> Thanks in advance