Trying to automatically sign in to XBox Live when switching on the XBox, a pop-up appears asking me if I wish to "Sign in with your email and password?"
Enter my info correctly,
Receive a message
"Sorry, something's wrong with your Microsoft account. Go to https://account.live.com for help.
Had a look around the site given, everything seems in order. My Gold account hasn't expired.
Never had similar issues until tonight.