To open an image in disk image software Active@ Disk Image Explorer:
If the disk image is password protected, the Type Password dialog box appears. Type your password in the Password field and click OK. If you have forgotten your password, an image that is password protected cannot be opened. This is a security feature. When you store a disk image with a password, please memorize it or write it down and keep it in a safe place.
To close an image that you have opened in disk image software Active@ Disk Image Explorer: