Steps to remove another account already added in my MSN explorer software are:

remove another account

1. Sign into your MSN Explorer Software via your primary account.
2. Now click on “Help & Settings” Tab, then click on “Accounts & Billing” Tab.
3. Click on “Remove Member Accounts”.
4. Select the particular account you want to remove from MSN Explorer and Click on “Remove” button.
5. Click on “Save” Button, Click on “OK” & Click on “Done”.
6. Still having MSN related issues.

For further information or Support in North Dakota, Call  +1-800-515-1044 Toll-Free MSN Premium support Number.