After you install Microsoft hotfix KB3033889 on Windows 8 / Windows 8.1 / Windows Server 2012 R2 / Windows Server 2012 systems that install the Japanese, Korean, or Chinese input method editor (IME), Windows Explorer stops responding, or "hangs," and may crash.
LastUpdate : Tue, 14 Apr 2015
Answer
Please run Windows Update to install KB3048778 to fix the problem. Or you can download the file directly from Microsoft website below. To install the update manually, just double click on the file and it will be installed automatically. The installation will require a system reboot to take effect.
http://www.microsoft.com/en-US/download/details.aspx?id=46386