What to do if d3dx9_31.dll is missing?
Most often, fans of playing the game Sims 3 encounter this problem, but other users are not immune from this. This is a system error that occurs due to the absence of a specific component − d3dx9_31. dll. Just download this file, place it in the right place, and you can enjoy the game! It’s worth noting right away that such an error can appear on any version of Windows, and this error is caused by the absence of a component in the library Microsoft DirectX. Surely, you know what DirectX is: these are technologies that ensure the launch and operation of multimedia applications, and they are also responsible for displaying graphics.
File d3dx9_31. dll necessary for games to display 3D graphics and run the game in full screen mode instead of windowed.
To add a file to the MS DirectX library, it is not necessary to download DirectX completely, just download one small file that prevents the game from starting and add it to the library.
You can download the missing file from our website. You will see the download link at the end of the article, but for now let’s figure out where to add the downloaded file.
And you need to add it this way: C: \ Windows \ System32. Typically, once the file has been added, the game should launch. If this does not happen and you again receive the error, then you need to register the downloaded file in the registry. For this:
•click hotkey combination Win + R;
•in the window that opens, write “regsvr32 d3dx9_31.dll" (without quotes) and click "OK».
If the game still won't launch, restart your PC. In case the problem persists, try this:
1.add .dll file to C: \ Windows \ SysWOW64;
2.for Sims 3 game users: open the game folder (the place where the game was installed) and add the .dll file to Game\Bin;
3.download DirectX in its entirety from the official Microsoft website http://www.microsoft.com/ru-ru/download/details.aspx?id=35. Before downloading the library, it is recommended to restart your PC again and try to launch the game, if, of course, you have completed the first two steps.
If all else fails, it may be because the game was installed incorrectly. Try reinstalling it.
