Dont worry about those FTDI Drivers. Use these drivers and use CGMiner 3.3.4

https://code.google.com/p/libusb-winusb-wip/downloads/detail?name=zadig.exe&can=2&q=

Make sure you have your minirig plugged in usb and power.. run the zadig.exe   and choose your mini rig in the drop down and install the new driver.

Run CGMiner, and it should recognize your rig.