When trying to get msn email, EM Client messages: "IMAP cannot open folder [email protected] User os authenticated byt not connected

When trying to get msn email, EM Client gives me a message: "IMAP cannot open folder [email protected] User is authenticated but not connected

I believe with msn you will want to use exchange rather than IMAP. You will have to add the account again.  Do not use automatic setup, instead choose mail and then Exchange.  When it asks for your user account, make sure you include your entire email address.