Password Protect Folder Guard Powerful security and access control utility for Windows 7/Vista/XP/2000/x64 that lets you hide or password-protect files and folders, as well as restrict access to other resources. http://www.winability.com/
System Mechanic Professional System Mechanic Pro keeps your PC fast, stable, and secure. It fixes errors and boosts performance, provides online backup, recovers deleted files, securely wipes data, and includes high-performance triple-certified antivirus protection.
SecurEngine SecurEngine is the best free steganography tool. Hide confidential documents in jpg bmp wav and txt files with 5 strong encryption algorithms. shredder etc...
Cloak Protect and secure your personal information.
Lock Folder XP Lock Folder XP is a new security tool that lets you lock your files, folders and drives with your personal password. The program uses advanced encryption algorithm approved by the US Government. Protect your files from hackers, viruses and mischief.