FIX: D3DCOMPILER_43.dll Missing or Not Found Error

A lot of Windows users are having a crashing problem with their games or graphics applications. An error pops up when they’re running the game or program that says “the program can’t start because D3DCOMPILER_43.dll is missing from your computer“.

Let me explain first what is d3dcompiler_43.dll?

The d3dcompiler_43.dll is a Dynamic Link Libraries file utilized by DirectX. Hence, this is a fairly essential file for games and graphics programs.

The missing d3dcompiler_43.dll error will most likely appear when you run games or graphic programs in various Windows platforms. Software packages that return a missing d3dcompiler_43.dll error message aren’t going to run for you.

There are many ways d3dcompiler_43.dll errors can open up on your computer, but these are some of the more common specific messages you might see:

  • D3dcompiler_43.DLL Not Found
  • The file d3dcompiler_43.dll is missing
  • File d3dcompiler_43.dll not found
  • D3dcompiler_43.dll not found. Reinstalling might help fix this

Here are three solutions that have helped many Windows users fix this issue.

How to fix d3dcompiler_43.dll errors in Windows 10

Method 1. Update Microsoft DirectX

As the d3dcompiler_43.dll is a part of Microsoft DirectX, updating DirectX helps you repair your DirectX components and get the lost D3DCOMPILER_43.dll file back. To update DirectX:

1. Visit the Microsoft’s DirectX End-User Runtimes download page.

2. Click on the Download button to download the software.

3. Once the file is downloaded, go to the folder that contains the “directx_Jun2010_redist.exe” file and run it and click Yes.

4. Select the location you’re going to extract the installation files to, then click OK.

5. Double click the DXSETUP.exe file. And then follow the on-screen instructions to complete the installation for DirectX.

6. Launch your game or graphics program and check if this fixes your error.

Method 2. Download a New D3dcompiler_43.dll File From DLL-files.com

You can also fix this error by downloading a new d3dcompiler_43 DLL file to replace a missing one. Here are the steps:

1. Go to this page on DLL-files.com.

2. Click Download beside the 32 or 64-bit d3dcompiler_43.dll file version.

– Choose the 32-bit file if you have a 32-bit Windows platform.
– Choose the 64-bit file if you have a 32-bit Windows platform.

3. Extract the d3dcompiler_43.dll file from the downloaded Zip-File/s.

4. After that, you’ll need to copy/paste the d3dcompiler_43.dll into the designated folder:

– For 32-Bit Version -> C:\Windows\System32
– For 64-Bit Version -> C:\Windows\System32

5. Restart your computer.

6. Now, you’ll have to register the new DLL. To do that, open the Command Prompt as Administrator. There, type “regsvr32 d3dcompiler_43.dll” in the Command Prompt and press Enter.

Method 3. Reinstall a software program

If one specific a game or program returns the “d3dcompiler_43.dll is missing” error message, reinstalling that software might fix the error. This will replace the program’s files, including registry entries and the DLLs

Notes: You’ll lose saved game files when reinstalling games, thus we would recommend you back game saves up before uninstalling software. Then reinstall the game as follows.

1. Open Control Panel,

2. Select on the Uninstall a program link located under the Programs heading.

3. Find and select on the software you want to uninstall by scrolling through the list of currently installed programs you see on screen.

4. Click the Uninstall button. Click the Yes button on the dialog box to provide further confirmation.

5. Restart your computer.

6. Install the program/game again with its setup wizard. Make sure that you install the most update software version.

There are several methods to do that, but the most effective one is to use uninstaller software such as IOBit Uninstaller. By using IOBit Uninstaller, you can easily uninstall any programs/games from your PC along with all of its files.

In this video, we will show you how to fix d3dcompiler 43.dll is missing error in Windows 10

That’s about it.

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