• November 29, 2023

why does it arise and how to fix it?

An error with the D3DCompiler_47.dll file can be stumbled upon when launching an application – most often it can be seen when starting a video game. In the error message itself, you can see the following information:

The program cannot start because D3DCompiler_47.dll is missing on the computer. Try reinstalling the program.

What are the reasons behind this problem? In fact, the D3DCompiler_47.dll file is often missing on the user’s computer, which is why the above message appears in front of it.

Also, this error can occur for the following reasons:

  • the file is present in the system, but it has been damaged / changed;
  • some Windows system files are damaged;
  • Malware or a virus interferes with the launch of the application;
  • outdated video driver.

Solving the error with D3DCompiler_47.dll


Solution # 1 Update Windows and DirectX

Considering that the DLL file we are considering today is part of the DirectX API, it makes sense to start updating the DirectX libraries. It’s also worth updating your Windows. Let’s start by updating the system.

  • Right-click on Start;
  • select “Options”;
  • open the section “Update and Security”, then – subsection “Windows Update”;
  • now click on the “Check for Updates” button;
  • wait for all system updates to be installed and restart your computer.

Now let’s move on to updating DirectX. Go to this link to the Microsoft official site to download the web installer. Launch it and follow the onscreen instructions to install the latest DirectX libraries. You can also try – if available, of course – install the version of DirectX that comes with the application.

Try running the problematic game or program and see if the error with the D3DCompiler_47.dll file is gone.

Solution # 2 Updating the graphics driver

Some users were able to resolve this problem with one rudimentary procedure: updating the video driver. That’s right, we update the driver – and it’s in the bag! Use the links below to download the appropriate installer to your computer:

After downloading the appropriate installer, launch it and follow the instructions on your screen. During the installation of a fresh graphics driver, the image on your monitor may disappear, but you should not worry, because this is quite normal when updating the software for a video card. Once you complete the video driver update process, check for an error with the D3DCompiler_47.dll file.

Solution # 3 Checking the system for viruses and malware

The least likely, but not impossible, case is that a virus or some kind of malware is interfering with Windows. We recommend scanning your system with some good third-party antivirus or using the services of Windows Defender. To run a scan by Windows Defender, you need to do the following:

  • right-click on Start;
  • go this way:
    • ↓ Parameters;
    • ↓ Update and security;
    • ↓ Windows Security;
  • click on the button “Open Windows Defender Security Center”;
  • go to the “Protection against viruses and threats” section;
  • click on the “Check now” button.

Next, you need to wait for the Windows scan to complete, and then remove all found threats from your system. Once you’re done with your antivirus, check for an error with the D3DCompiler_47.dll file.

Solution # 4 SFC scan

You may have encountered problems launching a required application due to corrupted system files. In such a situation, the SFC system utility will help you, which is able to find damaged files and restore them, if possible. To get the SFC to work, you need to do the following:

  • right-click on Start;
  • select “Command line (administrator)”;
  • enter command sfc / scannow and press Enter;
  • wait for the scan to finish and see the results.

If there are found (and repaired) damages, restart your computer and check if the error with D3DCompiler_47.dll has been fixed or not.

Solution # 5 Reinstall the problematic application

In some cases, a simple reinstallation of the application you are trying to launch helps. Who knows, some components that interact with the D3DCompiler_47.dll file could be damaged, as a result of which an error occurs.

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