Houdini

  Instantly hide and protect your private data and this time keep it private. Safeguards against nosy roommates or employers, curious children, identity thieves and most importantly hackers trying to steal your personal information to sell. Best of all Houdini cannot be detected on your system once you set that feature. Houdini will vanish from your Windows Registry and is not able to be accessed even from the command prompt of your PC.

Features:

Instantly hide an unlimited number of files, programs, folders and more.
Hide or show individual files or all files and folders at once.
Prevents all file access, even from the command prompt, and even from hackers.
Folders are removed from Windows Explorer entirely.
Files in folders cannot be accessed, even from shortcuts or recent document lists
Run at Windows startup
Runs in stealth mode and doesn't show up in the Applications tab when you press Control-Alt-Delete
Hotkey for bringing the program out of Stealth Mode
Hotkey for hiding all folders
Hotkey for showing all folders
Password protection when program is opened
Password protection when program is brought out of stealth mode
Password protection when hotkeys are used to hide or show all folders