Try each of these steps in order until the issue is resolved:

1. Click and hold the Alt button on the keyboard. Toggle the Tab button on the keyboard to tab through the active programs until you reach the Outlook screen requesting permission to grant this connection as identified by this message:

"A program is trying to automatically send email on your behalf. Do you want to allow this? If this is unexpected, it may be a virus and you should choose "No"."

2. If you wish to install ClickYes to permanently remove this prompt, refer to Error: A program is trying to automatically send email on your behalf. Do you want to allow this? If this is unexpected, it may be a virus and you should choose "No".

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