Is it supposed to be FTDI manufacturer?
No, its supposed to be WinUSB. Is CGMiner giving you an error message? If so why no post the text so we know what it is?

sorry had it as a link earlier in thread.
Try this. I've had similar issues.
In device manager un-install the USB devices, check the box delete the driver software for this device. Un-install all monarchs (if more than one you'll see). Then refresh your device manager and you will see the ftdi drivers come back.
Now install WinUSB with zdiag.
Try that.