Outlook 2003: unknown error

October 14, 2004 at 05:24:15
Specs: XP prof, Pentium IV, 500, 512 RAM

I have OL2003 prof installed on Windows XP prof. Email messages in my Inbox from a certain date and back, cannot be deleted. Only the ones in my Inbox, other items and whole folders can be deleted fine. When I delele a message from the Inbox the following pops up:

"The messaging interface has returned an unknown error. It the problem
persists, restart Outlook."

When I try to move the message to the deleted item box, I get "Can't move item."

When I do SHIFT + delete to pass by the deleted items folder, I get the same "unknown error" message.

My pst file was big, so I deleted lots of items and folders and it's now 118 MB. I ran inbox repair tool and after a few times (!) there was nothing to repair.

I checked for Office updates and installed the latest service pack and security update.

I searched the net but can't find a solution for this exact problem. Is it something to do with Unicode maybe? What can I do?

Thanks in advance!

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December 7, 2005 at 14:49:17

I was having the same issue until I figured out what might be causing this. There was a corrupt email or old folder in my deleted items folder. I emptied the deleted items folder and was able to delete and move emails around as needed. Hope this works for you.

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