1)   File-Folder-Lock Lite Free Edition 2.18
Password-protect, lock, hide and restrict access to any number of files, folders, pictures and documents at a click. Protected files are hidden, undeletable, inaccessible and highly secure. It can also disable/enable internet access.

 2)   Protect Folders in Windows 1.0
Protect Folders is designed to help you lock your folders with a password in Internet Explorer or through a built-in intuitive interface. Protect Folders supports Windows Vista, XP, NT, 98, ME. Download Protect Folders.