I've used Windows Live Mail (Version 2011 Build 15.4.3555.0308) successfully for several years, but yesterday I started getting a pop-up box "Sign In To Windows Live Mail" every time I open the WLM program.  If I click "cancel" in the pop-up, everything seems fine--I am signed in to Windows Live and receive and send emails and so does my wife in her subaccount.  I've had automatic login enabled from the beginning and it seems to still be working.  But if I enter my password in the pop-up, the password is rejected with this message: "The email address or password is incorrect.  Please try again"--maybe because I'm already logged in?  I've reset the password several times, no improvement.  How can I stop this redundant pop-up from popping up?