Everybody has some files who like to take private. A trick in Windows XP/Vista is to hide the folder but doesn’t work if your brother is a PC geek 😀 . FileProtector can help you to encrypt files and take private. FileProtector is a freeware and a professional file encryption utility that protects any type of file encrypting completely the content with the most advanced systems of cryptography. It use 256-bit AES encryption for the passwords.