MS Word 2007 - Eng is unable to proceed,More than one file necessary to do TC/SC translation is missing

When try to use Chinese translation between T. Chinese and S. Chinese. 

a) 安装office 2007 Multiple language pack

OR

b) Install Office 2007 Proofing Tools

Reference:
http://yoke88.spaces.live.com/Blog/cns!E9D4B3DCE266C1B!1332.entry

MS Word 2007 - Eng is unable to proceed,More than one file necessary to do TC/SC translation is missing