Thanks, John.
Click Start, type "Services," and select it from the results.
In the Services window, right-click "Windows Biometrics Service" and choose "Stop."
Open File Explorer and navigate to: C:\Windows\System32\WinBioDatabase.
Delete all .DAT files in the folder. If no files are visible, go to the "View" tab in File Explorer and enable "Hidden Items."
After deleting the .DAT files, attempt to set up Windows Hello Face again.
Hope that helps, and rely on us for any further inquiries. All the best.