USB driver also be needed while installing Alcohol 120% . Otherwise you will get error on last step . Found it here http://www.usbman.com/Win95%20USB%20Guide.htm

I have the same problem today , I figure out now, Alcohol 120% uses some dll files that integerated along with IE in all other later version Windows. You Install IE 5.5 that solves the problem. By the way, old version Alcohol 120% is the only choice for emulating a cdrom . Daemon tools , Ah, even I …