Hello,
Thank you for posting in Q&A forum.
To resolve this issue, please kindly follow below steps:
1.Please try to update Windows OS version which may fix issues you're facing with Windows Hello.
Start > Settings > Windows Update > Check for updates.
After the restart, please sign in Windows Hello again.
If there's any further error when you trying to install the update, please kindly let us know.
Hope this answer can help you well.
Best regards,
Jill Zhou