No you should find an file on your HDD that is [FONT=Verdana, Arial, Tahoma, Calibri, Geneva, sans-serif]nst-26-9267.86_.ISO or something very similar this would be a special and exact copy of a CD or DVD - if you right click on the file (perhaps to Identify it ) the Mount option is at or near the top of the list of options and could be clicked accidentally which would give the result you described ... I do not no of a way to do this programmatically but it may be possible which could give the result without any user input [/FONT]