League of Legends doesn't work due to the missing D3dx9_39.dll file. If you are experiencing the D3dx9_39.dll missing error in League of Legends, it is recommended that you locate the correct version of the file and download it. If you have some experience with the troubleshooting of the D3dx9_39.dll missing error, it is also possible that you could fix the problem yourself.
This method is used for those who have encountered the D3dx9_39.dll missing error in League of Legends. It is possible that you may get rid of the missing D3dx9.dll error by simply removing the corrupted file. This method will allow you to go back to the default League of Legends version and play the game without any problems.
However, to help others with the D3dx9_39.dll missing error, we have compiled a list of various methods that have proven to be very effective. The methods in the list below were tested and have been proven to be functional.
When the D3dx9_39.dll missing error occurs, it’s a good idea to run a clean installation of the game. If you can't do this, you'll have to use the Microsoft DirectX installer to install the latest version of the D3dx9_39.dll file. Fix D3dx9_39.dll missing error manually, to prevent future errors.
An outdated Microsoft DirectX is a serious problem. It is as though a vital file is missing for the game to function correctly. Here is the solution to the D3dx9_39.dll missing error in League of Legends:
The D3dx9_39.dll missing error fix was provided by GitHub user roelvanroy and it is available for download free from their GitHub page. You can see the details of this fix in the above screenshot. Here, the file has been located on the D3dx9_39.dll's GitHub page and copied to the C drive.
To fix the D3dx9_39.dll missing error on your League of Legends computer, you will need to locate the exact location of the file and run the game with it. The correct way to do this is to simply run the game again. If the error persists, you can restart your computer and the problem should have been fixed.
To download the Media Feature Pack for Windows 10 editions other than N edition, search for the KB3133719 update in the Windows Store. After the update is installed, you can use the features that are available in other editions of Windows 10. 827ec27edc