: Many programs require multiple DirectX files; installing just one may lead to another "missing file" error shortly after. Troubleshooting Steps
For the truly security-conscious, you can verify that the file on your system is the authentic Microsoft one.
Open the folder, locate , right-click it, and choose Run as administrator . Complete the installation wizard and restart your PC. Alternative Troubleshooting Steps
Navigate to your game's installation folder (e.g., Steam library path). Look for a folder named _CommonRedist , DirectX , or Redist .
“The program can’t start because d3dx9_46.dll is missing from your computer,”
Locate and run DXSETUP.exe within that folder to begin the installation.
If the error occurs in a Steam game, right-click the game in your library, go to Properties > Local Files , and select Verify integrity of game files .
The only 100% safe and verified way to restore this file is through official Microsoft channels. Here are the three best methods: 1. The DirectX End-User Runtime Web Installer (Recommended)
This is a common trap. A webpage might claim you need to download the "latest DirectX 12" or a "DirectX 9 installer," but it's actually a front for malware. One known scam involves a fake DirectX download page that distributes a trojan called on what appears to be a legitimate installer. This software can then steal your credentials, browser cookies, email accounts, and even cryptocurrency wallets, leading to identity theft and financial loss.
Right-click the menu and select Command Prompt (Admin) or Windows Terminal (Admin) . Type sfc /scannow and press Enter .
A: This could be due to a few reasons:
After installing the DirectX runtimes, always restart your computer to ensure the new files are correctly registered by the system. d3dx9.dll Is Missing Error | Fix #1 | 2021
If the web installer fails due to network issues or because you are offline, you can download the full redistribution package.