If Alcohol 120% is on the machine:
Start Alcohol and go to the Emulation Options.
Select Emulation from the options tree. Uncheck the Ignore Media Types box to turn off the media type emulation, exit Alcohol 120% and restart the game application.
Select Extra Emulation from the options tree. Uncheck the BAD Sectors Emulation to turn off this type of emulation, exit Alcohol 120% and restart the game.
If CloneCD is on the machine:
Look on your task bar at the bottom right of your screen (next to the clock). Locate the CloneCD tray icon, which can be a picture of two CD-ROMs; or of a sheeps head . Right Click on the icon and make sure Hide CD-R media is un-ticked. Restart the game application.
If Daemon Tools is on the machine:
Select the icon at the bottom of the status bar of windows.
Find the Daemon Tools Icon
Right Click on the Daemon Tools icon in the Task Bar.
Select the Emulation tab.