Windows Hello is acting up after Microsoft's last patch. If your PC doesn't recognize your face, it might need a little kick with this workaround.

A recent Windows update has changed how Windows Hello face unlock works, now requiring a color camera in addition to IR sensors to authenticate you. That means it no longer works in the dark.

A software hiccup has occurred with Windows Hello following this month’s security updates, one that could prevent users from logging in via facial recognition. Fortunately, instead of prompting ...