FIX: d3dcompiler_43.dll was not found in Windows 10/11

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
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  • A missing DLL can cause problems, such as when d3dcompiler_43.dll is missing from Windows 10.
  • When d3dcompiler_43.dll is not found, a good solution would be using third-party DLL fixers.
  • You could also run a DISM scan, or manually downloading and replacing the DLL from third-party websites.
  • When d3dcompiler_43.dll is missing, some users also recommend rolling back your PC.
D3dcompiler_43.dll is missing

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

Missing DLL errors occur when the OS can’t find a required DLL file for a program, or if the DLL is corrupted in some way.

If a d3dcompiler_43.dll file is missing, you might get an error message stating, “d3dcompiler_43.dll is missing from your computer.

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

However, there are various potential fixes for the “d3dcompiler_43.dll is missing” error; and these are some resolutions that can resolve the issue.

How do I fix d3dcompiler_43.dll errors on Windows 10

  1. Run a System File Checker scan
  2. Fix missing DLLs with DLL fixer software
  3. Update Microsoft DirectX
  4. Reinstall a program
  5. Rollback Windows to a Restore point
  6. Recover the missing D3dcompiler_43.dll File
  7. Download a new D3dcompiler_43.dll file

1. Run a System File Checker scan

  1. Windows 10 and 8 users can open the Command Prompt from the Win + X menu by pressing the Win key + X hotkey.
  2. Select Command Prompt (Admin) on the Win + X menu.
  3. Before you initiate an SFC scan, input the following line in the Command Prompt and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth
  4. Then input sfc /scannow in the Command Prompt, and press the Return key to initiate the scan.
    cmd sfc scan d3dcompiler_43 dll missing

The System File Checker, or SFC, is Windows’ built-in tool for repairing corrupted or missing system files. An SFC scan can fix a various DLL errors.

When the SFC has completed the scanning, the Command Prompt will tell you if Windows Resource Protection repaired files. If the WRP does repair something, restart your desktop or laptop.

2. Fix missing DLLs with specialized software

DLLs are sensitive data libraries that shouldn’t be handled by the user unless they truly know what they are doing, and even then it is recommended that they create backups.

That is why the safest alternative so far is to use third-party tools that can fix and repair your registries for you, and the best one on the market at the moment is a professional tool that automates the entire process.

DLL repair tool software can be used to correct Dynamic Link Library issues. With their registry cleaners and scanning tools, general-purpose system maintenance software could repair DLL issues.

Some of these programs have additional utilities that allow you to erase cache, browser history, and build a backup before you begin the repair process.

Restoro repair

Restoro is a reliable third-party DLL fixer which uses a built-in automated system and an online library full of functional DLLs to replace and repair any files that might be corrupted or damaged on your PC.

All you need to do to resolve your PC’s problems is to launch it, and simply follow the on-screen instructions to start the process, as everything else is covered by the software’s automated processes.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the software.
  3. Wait for it to scan your PC for any stability issues and possible malware.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After this process is completed your PC will be as good as new, and you will no longer have to deal with BSoD errors, slow response times, or other similar issues.

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Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

3. Update Microsoft DirectX

  1. First, press the Download button on this website page.
  2. That will open a page with some optional software downloads.
  3. You can uncheck those checkboxes if you don’t need the extra software.
    download page d3dcompiler_43 dll missing
  4. Press the DirectX End-User Run Web Installer button to save the installer to Windows.
  5. Open the DirectX installer’s window shown directly below.
    directX setup d3dcompiler_43 dll not found
  6. Click the I accept the agreement radio button and press the Next button.
  7. Uncheck the Install the Bing Bar check box if you don’t need that browser toolbar.
  8. Press the Next button to update DirectX components.
    directX install finish d3dcompiler_43 dll missing

As the d3dcompiler_43.dll is a part of Microsoft DirectX, updating DirectX is a probable fix for the d3dcompiler_43.dll is missing error.

The DirectX End-User Runtime Web Installer can update outdated DirectX versions and restore missing DX files if required.

Once you update DirectX, check if the problem is still there.

4. Reinstall a Program

  1. Press the Win key + R keyboard shortcut to open Run.
  2. Enter appwiz.cpl in Run, and press the OK button.
    • That will open the Control Panel tab shown directly below.
      uninstall application d3dcompiler_43 dll not found
  3. Select the software to uninstall.
  4. Some software might have a Repair option. If so, click Repair first to fix the program installation.
    repair application d3dcompiler_43 dll missing
  5. If there isn’t a Repair option, press the Uninstall button.
  6. Press the Yes button on the dialog box to provide further confirmation.
    uninstall confirm d3dcompiler_43 dll
  7. Restart Windows to ensure the software is completely removed.
  8. Install the software again with its setup wizard.
  9. Make sure that you install the most updated software version.

If one specific program or game returns the d3dcompiler_43.dll is missing an error message, reinstalling that software might resolve the issue.

This will replace the program’s files, including the DLLs, and registry entries. You’ll also lose saved game files when reinstalling games, so consider backing up games before uninstalling the software.

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Removing applications by using the previous method might not be effective since you can leave certain files and registry entries behind.

These files can cause future problems to appear, and in order to fix them, you need to completely remove the selected application.

Therefore, we recommend you use uninstaller software to thoroughly delete any program from your computer. A healthy PC needs no superfluous program files, such as clutter and software residue.

As an outcome, you know that the program has been entirely removed, reducing the risks of future issues.

5. Roll back Windows to a Restore point

  1. Enter restrui in Run’s text box and click OK to open the window directly below.
  2. Click Next to open the list of system restore points.
    system restore main window d3dcompiler_43 dll missing
  3. Select a restore point that will roll the OS back to a date when there was no missing d3dcompiler_43.dll error on your Windows platform.
    select restore point d3dcompiler_43 dll not found
  4. You can also press the Scan for affected programs button to see what software you’ve installed after a selected restore point. Software, updates and drivers added after the selected restore point will get deleted.
    system restore result d3dcompiler_43 dll missing
  5. Click Next and Finish to confirm the selected restore point and roll back Windows.

You can roll back Windows to an earlier date with the System Restore tool.

System Restore can also restore or repair a deleted or corrupted d3dcompiler_43.dll file so long as you roll Windows back to a date when none of your software returned any missing d3dcompiler_43.dll errors.

However, System Restore probably won’t fix the issue if you select a very recent restore point.

6. Recover the missing D3dcompiler_43.dll file

If the d3dcompiler_43 DLL has been deleted, you could feasibly recover that file by checking if it’s in the Recycle Bin. Open the Recycle Bin, and enter ‘D3DCompiler_43.dll’ in its search box.

Then right-click the d3dcompiler_43.dll and select the Restore option.

If you can’t recover a deleted d3dcompiler_43.dll in the Recycle Bin, you might have more luck with third-party file recovery software.

There are plenty of file recovery utilities that could feasibly recover a deleted DLL for you, such as Recuva, EaseUS Data Recovery, Pandora File Recovery and MiniTool Partition Recovery.

This software guide tells you about some of the best file recovery tools for Windows.

7. Download a new D3dcompiler_43.dll file from

  1. Open this page on
  2. Click Download beside the 64 or 32-bit d3dcompiler_43.dll file version.
    • Download the 32-bit file if you have a 32-bit Windows platform.
  3. The file saves as a ZIP that you can extract by opening the ZIP in File Explorer and pressing the Extract all option. Select a path for the extracted file, and press the Extract button.
    extraction directory d3dcompiler_43 dll missing
  4. Then you’ll need to move the d3dcompiler_43.dll to the C: > Windows > System32 folder in File Explorer. You can move files in File Explorer by dragging and dropping them into alternative folders.
    system32 directory d3dcompiler_43 dll missing
  5. Restart the Windows OS.
  6. You might also need to register the new DLL. To do that, open the Command Prompt by pressing the Win key + X hotkey and selecting Command Prompt (Admin).
  7. Enter regsvr32 d3dcompiler_43.dll in the Prompt, and press the Return key.

There are lots of websites from which you can download a new d3dcompiler_43 DLL file to replace a missing one.

Not all of those sites might be reputable sources, but is one of the better websites to obtain a replacement DLL from when required.

Those are several resolutions that might fix the missing d3dcompiler_43.dll error in most Windows platforms.

In addition, malware and registry scans and updating your video card driver might also resolve this issue. Check out this article to fix other missing DLL errors after the Windows 10 Creators Update.

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