Hello,
Based on your description, it is possible that the MSN shortcut is corrupted or the MSN software itself is not installed on your computer.
If the MSN shortcut is not working, please follow these steps:
1. Delete the MSN butterfly icon in your desktop.
2. Click Start, click Computer
3. Open drive C:\
4. Open Program Files
(Program Files (x86) if 64bit)
5. Open the MSN folder
6. Look for the MSN butterfly icon, right-click on it then click New > Shortcut (desktop)
7. Open MSN using the new icon.
If MSN is not yet installed or may have been uninstalled, please go to this link to install MSN:
http://answers.msn.com/solution.aspx?solutionid=eae4f90e-634d-484b-84c1-b16d9d5eda4e
If MSN is already installed and you are just missing the Navigation bar, please click View on top of MSN, click Navigation bar, and ensure that Navigation bar is checked.
Thank you.