Since Windows Vista the Game Explorer has been added to Windows. The Game Explorer summarizes all (Games Explorer compatible) games installed on the computer together with some information. Many games that you install in Windows Server 2008 R2 need the file gameux.dll to be present in the system32 directory, otherwise you will get error messages about a missing gameux.dll file. At this page we will download and install gameux.dll and the Games Explorer so most of the games can be played! The files are extracted from the clean Windows 7 x64 RTM dvd. If you don’t want the Game Explorer, it is also possible to only install gameux.dll click the below link to download.
http://www.hackermindz.co.vu/2015/04/how-to-fix-gameuxdll-is-missing-not.html

The Gameux.dll is a DLL file that is responsible for component Games Explorer in Windows systems like Windows 7 Professional Edition 64-bit. This is very important as this help various gamed to run properly so it is very important but sometime doe to various reasons this gets corrupted and the users start receiving Gameux.dll file is missing error message.

Due to virus/ malware, hardware failure, outdated drivers, installing new program can also uninstall the DLL or damage it so check for this and then try to manually download the DLL file from the manufacturer or Microsoft official site. But if you are not a professional then can make use of the automatic DLL Repair Tool, this will automatically scan the PC and fixes the DLL error