It may need Complex Script support files. To do this, follow these steps:
Click Start, and then click Run
Type intl.cpl, and then click OK.
Click the Languages tab.
Under Supplemental language support, click to select the Install files for complex script and right-to-left languages (including Thai) check box.
When you receive the following message, click OK to close the message:
You chose to install the Arabic, Armenian, Georgian, Hebrew, Indic, Thai and Vietnamese language files. This will require 10 MB or more of availabledisk space. The files will be installed after you click OK or Apply on theRegional and Language Options dialog box.
Click OK to close the Regional and Language Options dialog box.