Consider the following scenario:
- You have a computer that is running Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.
- You install a Japanese third-party Input Method Editor (IME) that can toggle Caps Lock by double-tapping the Shift key on the computer.
- You right-click the taskbar, and then you click Touch Keyboard on the Toolbars menu.
- You call the touchable keyboard on the taskbar, and then you change the keyboard type to the third-party IME.
- You double-tap the Shift key to toggle Caps Lock on.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.