I am sorry to announce a flaw in the Sandisk Secure Access Software. I Dragged several folders into the vault. The result was that the directory structure was copied but not the files. There were no files left on disk or in the vault, save one. I lost everything I tried to secure and will have to pull off of backups.
Make a copy to drag into the vault and test.
This is using the latest update of the Secure Access Software on Windows7 Ultimate.
USB Key was a SanDisk Cruzer 8GB -