My Lockbox is software which can hide folders.
Many of us are forced to share a computer with other members of the family and in an office setting, colleagues and bosses. It can be sometimes frustrating not to be able to hide private folders and files in Windows. To a varying degree, these programs are able to help protect your privacy in a PC environment and keep prying eyes away from your data.
Many of these programs are either free trials or freeware applications which can help to do exactly that: Hide files and folders.