LoL: d3dx9_39.dll is missing - you can do that

Start LoL and the message appears that the file d3dx9_39.dll is missing, the problem can be quickly remedied. We'll show you how it's done.

d3dx9_39.dll is missing: League of Legends does not start

• The file d3dx9_39.dll is part of DirectX. If the corresponding error is displayed, the file is usually still there, but it no longer works properly.
• The easiest way is to reinstall DirectX. All files are exchanged. Simply follow this guide to update DirectX.

Windows: replace missing d3dx9_39.dll

If the installation did not work or the error persists, you can also replace the file manually.

1. On the website of dll-files.com you will find two different versions of d3dx9_39.dll for download below. Choose between 32- and 64-bit here.
2. Open Explorer and navigate to the path "C: \ Windows \ SysWOW64".
3. Find the file "d3dx9_39.dll" and delete it from the folder.
4. Then paste the downloaded d3dx9_39.dll into the folder.
5. Restart Windows if the error no longer occurs.