Windows 10: Microsoft pop message "Your account requires attention. Someone else has claimed ownership...

When I sign into my computer using my Windows Hello PIN I get a popup message from Microsoft "Your account requires attention, Someone else has claimed ownership of your username which is my cell phone number. When I click on I still own username Microsoft sends me a 4 digit code to my cell phone to use to sign into my account. This problem started 7 days ago.

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Microsoft account attention required

Hi so I just got a new Nokia Lumia 635 and at first everything was going great but then it said that my outlook password is expired and needs to be changed. So i did that but then it kept saying that outlook needs my attention so when i went to settings>emails+accounts
and clicked on microsoft account with attention required underneath it changed to syncing then went back to attention required. please help

 

Accounts-Your email and accounts: Attention required - but what?

I have had that error when adding an email account which has 2-step authentication, I required an app specific password, once entered the error message disappeared.

 

Microsoft account attention required

Did you update the password on your device?

If you changed the password to your Microsoft account, the phone's verification will expire within a few hours.

You can also try to force it by holding down your finger on the account in question and choose "sync". This should trigger an "attention required" message and tapping the account will bring up the password screen.

Under WP8.1, you no longer need an app password. WP8.1 supports two-factor authentication and will prompt for a code when needed.