Unplug Cougar

Install old drivers (2007_hco_vista_64_rc1.exe) - download
(Foxy is included in this installation, so need to download and install it separately.)

Plug Cougar back in

In device manager

Thrustmaster HOTAS Cougar (IN)
Thrustmaster HOTAS Cougar (OUT)

appear as devices without a driver (yellow triangle)

Tell device manager to update the driver for each of the devices by pointing it to

\<cougar driver install folder>\drivers\