One of the tried and true methods for troubleshooting issues with Microsoft Outlook is to create a brand new profile. Here’s how you go about doing it.

(Clicking on an image will open a larger version in a new window)

Close Outlook, and give it a few minutes for the process to exit.

Click on Start > Control Panel

Double Click on the Mail Icon

Click on the Show Profiles Button

Click on the "Add" Button.

Enter a name for your new profile.

Then just set up your email account. When your done, you'll want to either change the "Always use this profile" to the new profile, or select "Prompt for a profile to be used".