Consider the following scenario:
You have a computer that is running Windows RT 8.1, Window 8.1, or Windows Server 2012 R2.
You go to the Advanced settings window under the Language settings in the Control Panel, and then select the Let me set a different input method for each app window option.
You have at least 2 input languages configured on the computer.
You try to type characters by using an input method that is not default in the search bar in the file explorer and delete a character.
In this scenario, you can only type English and cannot switch between the languages.
To resolve this issue, install update rollup 2955164. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014
To work around this issue switch the language order or remove the non-English language and add it back under the Language settings.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates