1)   File Lock DLL Device Driver 1.0
FOBS based device driver designed primarily to hide or deny access to files, folders and registry keys on the Microsoft Windows family of OS. It provides the ability to completely hide the presence of an application and discourage tampering.

 2)   Desktop Security Rx Software 4.0
Desktop Security Rx Software's advanced technology prevents users from deleting critical files and applications, making unauthorized changes to the desktop, saving unwanted programs, running disallowed programs, and downloading from IE.

 3)   Folder Lock / Lock Folder 1.0
FolderShielder is a great software tool to lock folders and files to protect your privacy.

 4)   PCMesh Hide Files and Folders 1.0
Use PCMesh Hide Files and Folders to make your sensitive files and folders invisible. Even Windows will not know about the existence of your hidden files and folders.