FWIW I never install drivers for game pads, I have the same controller and setup as you and 0 issues. Hope you did get it figured out, but if not shoot me a PM I'll see if I can help.
FFXI:Sylph - Perrin 75 Hume THF; Retired (At least from my use any way)
EVE Online:ScraperX; Retired
WAR:IronClaw- Peryn SW;SkullThrone- Grymloc BO; Retired