If you have connected your PC to any domain or school account this might happen in accordance with their policy. If so try removing your PC from all domains and try using your Yubico FIDO key to authenticate on any portal.
Also if you have activated the Hello pin try removing it and see if it is helpful.
Open Settings on Windows 10.
Click on Accounts.
Click on Sign-in options.
Under the “Manage how your sign in to your device” section, select the Windows Hello PIN option.
Click the Remove button.
Click the Remove button again.
Confirm the current password
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