This will minimize your system from viruses..because..some viruses spreads out because of autoplay functions on USB Flash drives... This trick works on windows xp.. [b]Note:[/b] You must be Logged into the Administrator account to do this: 1.Click Start ---> Run... 2.type "gpedit.msc" This is the group policies editor. 3.Click "Administrative Templates" 4.then "System" 5.then find "Turn off Autoplay" 5.Doubleclick it and set it to "Enable" You can choose to turn it off for CD Drives or All Drives from the dropdown menu. Hope this helps!