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sunhux

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Outlook 2003 : the Messaging Interface has returned an unknown error

I never have this error before & just about 3-4 days ago it surfaced:
whenever I click on "New" (ie to create a new Message) or try to
"Reply" or "Reply All" to reply to an email (this is also in a way
creating a new email), Outlook 2003 (running on my Win XP
Professional SP 3 laptop) would throw out the attached message.

I followed one instruction in url below & it helped for a while ie
I could create/reply email (but somehow some of the Personal
Folders went missing but I just have to create a new pst file &
point back to the .pst files on my local drive) :

http://www.office-outlook.com/outlook-forum/index.php/t/49412/
Goto Tools > Options > Other tab > Advanced Options > "Add-In Manager" and remove (uncheck) all non native AddIns & click OK.  Also select "COM Add-Ins" & uncheck all
options & click OK

I did not have to reboot nor restart Outlook after following the
above instruction but after rebooting my laptop, the same issue
resurfaced, ie can't create new email.  This time round, I found
that those Add-Ins above are still unchecked.

I've also googled which suggests to remove an MS patch but I
don't have that patch installed in my laptop.

I have yet to recreate the Outlook profile (another suggestion)
given.

Any other solutions?
OutlookMsggIntUnknwnErrscr.jpg
SOLUTION
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Patrick Bogers
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sunhux

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None of the 7 .pst files used have exceeded 1GB.

No issue with reading/accessing emails;  only when
creating new emails or replying
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ASKER

Even in Safe Mode, I have the same issue ie can't create new email
Did you get the chance to re-create the outlook profile . If possible create a new network profile also.
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ASKER

Not too sure how to create a new profile, I'll get the IT guys
to do it for me next 2 days.

> a new network profile
What's network profile & how do I recreate this?
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