Look at this MS KB Article..
http://support.microsoft.com/default.aspx?scid=kb;en-us;906307
I have the same problem and I have tried everything in the KB article (except
telling Outlook to not use Word). This only happens when replying to a
message. Also the full error message is slightly different than the one in
the KB article.
Word is set to be your e-mail editor. However Word is unavailable, not
> > installed, or is not the same version as Outlook... An OLE registration
> > error occurred. Run setup again
> Look at this MS KB Article..
>
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> > time.
> > Can someone tell me what is going on and how to fix it?
Terry Farrell - 26 Feb 2007 20:26 GMT
Try running Detect and Repair from the Help menu.

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Terry Farrell - MS Word MVP
>I have the same problem and I have tried everything in the KB article
>(except
[quoted text clipped - 22 lines]
>> > time.
>> > Can someone tell me what is going on and how to fix it?