Working for month, then past week this error. Tried to wait 24 hour and still same. How to unblock? I never entered incorrect password.

[guinearW]

Connecting to Microsoft...

To sign in, open https://www.microsoft.com/link in your browser and en

ter the code: 6L2924BA

Waiting for authentication to complete...

Microsoft authenticate failed: Object reference not set to an instance of an object.

Login failed: Incorrect username/password, blacklisted IP or too many logins.

[guinearW]

Today it work sorry