If it has an entry in the Device Manager, you can disable the device.
Right click on the device. You'll see Disable.
When you're ready, to re-enable the device, right click on the device again.
You'll see Enable.
If you Google for it, I'm sure there is a command line switch for doing this... if so, you could write a batch file and just have it as a shortcut on your desktop. Click click it goes off. Click click it's back on again. Just depends on your familiarity level with Windows if that's doable or not.