Updates the following files from 4.0, 4.0.1, or 4.0.2, to version 4.0.3:
Norton DiskLock Administrator, DropEncrypt, DropDecrypt and DiskLock Net Install Package

Installs the following 4.0.3 files:
Emergency Unlock Updater, DiskLock Admin AppleGuide, DiskLock Admin Read Me First