If updating doesn't work, old files left behind by the uninstaller may be causing the conflict.
Some Windows security features can block the low-level drivers required by Gigabyte utilities. unable to load dll fbios.dll gigabyte
Experts generally recommend avoiding BIOS updates from within Windows to prevent system crashes. If you are getting the fbios.dll error while trying to update your BIOS, use the utility instead. If updating doesn't work, old files left behind