So, you've taken some intimate vacation photos and placed them in a file on your computer.  How do you keep anyone but you from viewing them?  Easy, use "Folder Protection."   Supported OS: Windows 7, Vista, XP, NT, ME 98 (32 and 64-bit) . Click on the link below, because you should always be protected.

Folder Password Protection - Software to lock folders on Windows 7, Vista, XP.