This script lets you to dismount an usb key of a CD-Rom safely For example, it's useful if you don't want you users to use an usb key i've just translated it from http://support.microsoft.com/kb/165721 Note that preventremoval doesn't work, so if you have opened files, they will be lost if you launch this script. For now, it's impossible to "remount" an usb key that has been removed. You have to disconnect and reconnect it. If you manage to remount the key without eject and reconnect physi