Error dialogue box can't be deleted in Windows Mail

[Blackbird]

Dialogue box reported email couldn't be sent. I now know address was wrong
and corrected it. This dialogue box cannot be deleBlack ted. How do I get rid
of it?

 

[mac]

Dialogue box reported email couldn't be sent. I now know address was wrong
and corrected it. This dialogue box cannot be deleBlack ted. How do I get
rid
of it?

Please try again to explain your exact problem, your message is not clear
about what will not delete?

 

[Gary VanderMolen]

Open the Outbox folder and delete any pending messages.
If there is anything you need to save, you can move them to Drafts instead.