Outlook Error: Cannot start Outlook. Unable to open the Outlook window

Outlook Error: "Cannot start Outlook. Unable to open the Outlook window." 
You receive the following message when attempting to launch Microsoft Outlook:
"Cannot start Outlook. Unable to open the Outlook window."
This issue is caused when the MailProfileName.xml file located in: C:\Users\UserName\AppData\Roaming\Microsoft\Outlook has become corrupted.
This XML file maintains the settings for the navigation pane in Outlook.
To resolve this issue, use the following steps.
  1. Open the Run dialogue box
  2. Type the following command: Outlook.exe /resetnavpane
  3. Select OK.




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