Use the Microsoft Authenticator app to scan the QR code or manually input the key. The app will give you a code to enter. Go back into Facebook and input the code.

Microsoft Authenticator app offers a convenient way to store, ... In the case of a school or work account, you need to scan a QR code provided by the account provider.

As you are unable to scan the QR code because of this error, we have enlisted some of the common reasons and solutions so that you can get rid of this problem on Windows 11 PC.