[A is 4 PiMp]

Ok I currently have Daemon tools and Alcohol 120% on my comp, i dont use alcohol 120%. I recently installed Quake 4 (The LEGAL way) on my pc, every time I try to run it I get an error message stating, "CD/DVD emulation software has been detected. Please disable all CD/DVD emulation software and re-start the game". I have no clue why this is happening, ive unmounted the image i currently had mounted (It was FEAR) and i tried to run Quake 4 again, and I get the same message. I need my Quake 4 fix now, can somebody help me?