Windows 10 does not contain an in-box driver for ACPI\FNBT0000 . Neither Microsoft Update nor standard Windows driver repositories include a match. This is because:
FNBT0000 is believed to manage:
When the ACPI driver enumerates FNBT0000 , it looks for a driver that claims support for that specific Hardware ID. Finding none, it falls back to: acpi fnbt0000 0 driver windows 10