Folder Guard XP Edition 

Powerful security and access control utility for Windows XP/2000/2003/2005 that lets you hide or password-protect files and folders, as well as restrict access to other resources. http://www.winability.com/
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Folder Guard Classic Edition 

Powerful security and access control utility for Windows Me/98/98SE that lets you hide or password-protect files and folders, as well as restrict access to other resources. http://www.winability.com/
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Easy File & Folder Protector 

Protect files and folders situated on local media of Windows 95/98/ME/NT/2000/XP with Easy File & Folder Protector at Windows kernel level. Your can deny access to certain files and folders, or to hide them securely from viewing and searching.
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Easy File Protector 

Easy File Protector a password protected security utility to restrict access to files and folders by user-defined time schedule. Files and folders become undeletable, unrenamable, unreadable, unmodifiable, and unexecutable.
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Host Security Personal 

Host Security Personal password-protects files, folders, and drives. It can also stop hackers from accessing you computer, prevent children from visitting unhealthy websites, and block MSN Messenger, Yahoo! Messenger, ICQ, and AOL Instant Messenger.
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CryptArchiver 

A powerful shareware encryption utility that allows you to create a virtual encrypted drive on your PC. Has an intuitive and easy-to-use interface. Hide & encrypt your important files and folders using strong 448 bit encryption!
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