What does please enter your credentials to authenticate your device mean

[katia_katia23]

What does that mean and what do u have to put for the username and password

 

[basroil]

If you see this when logging into a "Modern" app , it's logging into that app.

If you see this on the desktop, it means you need to buy proper antivirus software and run a scan. For now scan using Malwarebytes