At the end of the Controls Tool Bar, select the More Controls button (has wrench and hammer picture). Scroll down the displayed list until you locate Microsoft Rich TextBox Control. Select it and apply the control to your Form.
Now check your applications References (you need to do this through the VB Editor under the Tools | References menu items). It should have automatically checked marked it and placed it near the top of the References list. If it didn't then scroll down the list until you again find Microsoft Rich TextBox Control and make sure you place a tick into the checkbox.
Self Taught In ALL Environments.....And It Shows!