How to lock or hide a folder on a usb drive

[Overkill]

What is the best program to accomplish this? preferably portable
Thanks

 

[Ink]

Easy Methods:
http://www.makeuseof.com/tag/3-quick-easy-ways-hide-folder-windows-7/

Advanced Methods:
http://www.makeuseof.com/tag/how-to-lock-or-hide-a-folder-a-file-or-a-drive-on-the-computer/
(Remember to backup your Registry)

 

[MalwareVirus]

Winmend Folder

HomePage
Be sure it always call to home to update so block with firewall.
It is not portable but you can reinstall it after format your cd drive and access your passward protected folder.

One I want to suggest but it is for file encryption

http://www.axantum.com/axcrypt/features.html

 

[Moose]

Can this be accomplish in Windows 8 Pro? And/or what is way to do this in Windows 8?