ScreenBlur

Screen Locker. Temporarily lock and hide the desktop; unlock with a password.
  • Lock the screen; hide visible windows, icons, gadgets and taskbar.
  • Auto lock, hotkeys, mute sound, customizable lock screen, and more.
  • Keeps a child or cat away from messing around with your data.
  • Windows compatible (.Net framework required).

Download ScreenBlur 1.3.0.27 (released 29.05.2015, changes).