- When you click Send to send the e-mail message, you receive the following message: Cannot send this item.
- When you click Save to save the e-mail message, you receive the following message:The messaging interface has returned an unknown error. If the problem persists, restart Outlook.
- Outlook 2007 crashes, and you receive the following message: Cannot display the Folder. 'Microsoft Office OneNote' exited without properly closing your Outlook data File "Path to ost". 'Microsoft Office Outlook' must be restarted. If this error message recurs, contact support for Microsoft Office OneNote for assistance.
Article ID: 928767 - Last Review: Sep 12, 2011 - Revision: 1