http://avid.force.com/pkb/articles/download/Fast-Track-USB-Drivers
version •6.1.12•Jun 20, 2013
•This is the final driver release for the Fast Track USB
•Adds Windows 8 support
•Note that Windows 10 (or later) is not compatible and will not be qualified
maybe choose comptibility mode may work
or go back to win 7/8