I use the MFS100 fingerprint sensor driver version 18.104.22.168 and got the following error: "An error occurred while initializing fingerprint scanner MFS100. Not found"
First you need to connect the fingerprint scanner to your computer and then use the Device Manager to manually install the driver. If the package is already installed and there's a yellow item in Device manager, right click and select Update Driver. Follow the on-screen steps and complete the installation steps. Perform a reboot and you will be able to use the scanner.