xmd dll file requires a lot of games, and is designed to access all additional resources, which are incorporated by the program or the operating system is required.
If, after the installer requires xmd dll game application, you can try to re-install the program on your computer. If reinstallation has not led to the launch of the application, then you must download xmd dll and put it into the main directory of the files in the game.
How to download free xmd.dll?
Following the link below, this file will be installed on the computer and it will fully play gaming applications. Do not forget that for the correct operation of the game, after the installation file you must restart the computer.