Outlook Express Error Unable to Send A Message

Click View | CurrentView and be sure it is set to "Show All Messages". Also verify that "Show replies to my messages" is not checked. If you then see the unsent message you can delete it normally. You should then click File | Folder| Compact.If the Current View setting is correct, then the "Outbox.dbx" file has been damaged. To repair the Outbox, close Outlook Express and delete "Outbox.dbx" in your store folder. A new Outbox will be created automatically when you re-open Outlook Express.