LAC VIET mtd2002 is an old English - Vietnamese dictionary developed by LAC VIET Corp. The software installs by default its own library and your computer should not have to read the words. LAC VIET mtd2002 is packaged with 4 dictionaries: Dictionary of Computing, English Dictionary, English - Vietnamese Dictionary and Vietnamese - English Dictionary. In order to check if the software is running properly, launch it, select English Dictionary from the Dictionaries menu and check if you can read the words from the left pane:
If the words are indecipherable, remove the software from your computer (Control Panel > Uninstall a program) and install it again. Alternatively, you can use a similar application from Software Informer database.