When you use an input method editor (IME) to enter text on an editable inline-block element in another editable element (such as nested html div tags), every other keystroke is ignored and you cannot enter text in Internet Explorer 11.
To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update. Additionally, see the technical information about the most recent cumulative security update for Internet Explorer.
Note This update was first included in the May 2015 cumulative security update for Internet Explorer (MS15-043).
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
See the terminology that Microsoft uses to describe software updates.