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Try to import the attached 2 registry files, then you can have both Simplified and Traditional Chinese locale in registry. Then you can try to reinstall the files. C:\WINDOWS\inf>rundll32 setupapi,InstallHinfSection LANGUAGE_COLLECTION.BASIC.INSTALL 00000804 C:\Windows\Inf\INTL.INF HKLM.Control.Keyboard_Layouts.reg HKLM.Control.Nls.Keyboard.zip