Opening the connection configuration wizard returning the error System.ArgumentException
Font 'Courier New' does not support style 'Regular'.
It is a windows error, System.ArgumentException Font 'Courier New' does not support style 'Regular' which usually occur on vista and windows 7, Vista and XP service pack 3 O.S
Resolution
To fix, Simply copy the C:\Windows\Fonts\cour.ttf from another computer to the broken machine.