Hi,
Go to the sign in screen of msn where you type in the password, press ctrl+shft+f11 on your keyboard at the same time, and click on remove account and confirm that again.
Click on msn icon, it will take you to installation screen, follow the steps on the screen it will re-configure the msn.
This should help you to resolve the problem.
Even after performing the above mentioned steps, if the problem is not resolving, then please check the private message below.
Thanks and regards
Mubarak