- Missing ADAT WDM devices added to inf file

Driver Update:

This driver includes a changed fireface.inf file. ... Now point to the directory containing the driver update.

- After the installation reboot the computer.

- ... manual first, to be sure of a successful update.

That being said, click the download button, and ... as often as possible in order to stay updated on the latest drivers, software and games

Try to set a system restore point before installing a device driver

This will help if you installed a wrong driver

Problems can arise when your hardware device is too old or not supported any longer