I keep getting dub408-m.hotmail.com popping up - how do I get rid of it?

[WPCentral Question]

I keep getting dub408-m.hotmail.com popping up - how do I get rid of it

I changed my password and can sign into outlook but keep getting dub408-m.hotmail.com popping up asking for the password. Even when entered it keeps repeating the request and outlook no longer synchs. How do I get rid of it?