At the game start pops up an error window that reports that the computer has no file d3dcompiler_43.dll? What is this file and why is it needed? This is one of the libraries of DirectX that is responsible for three-dimensional graphics. If game developers used d3dcompiler_43.dll then without it the application will not start. To understand what to do if there is no d3dcompiler_43.dll you need to find out the cause of the problem. If the library was moved to quarantine by the antivirus, then it should just be returned back and added to exclusions. After that everything should work fine. Much more difficult is to get rid of the error d3dcompiler_43.dll if the file was deleted.

Two basic methods of how to fix the error:

  • Download d3dcompiler_43.dll for Windows 7/8/10
  • Install DirectX.

The quickest way to solve the problem is simply download the file to your computer. D3dcompiler_43.dll then needs to be placed in one of the folders in the root directory of Windows. Download library d3dcompiler_43.dll from here. To know where to put the file, view the bitness of your operating system. This information is available in control Panel->System. There under “system Type” you will find a bitness. If you have a 32 bit version of Windows, you will need a folder C:\Windows\System32. For 64 bit system find the folder C:\Windows\SysWOW64. You can also put the library in the root directory of the game.

If after these manipulations you have an error with the name of another dll, then you need to install DirectX. Download the latest version of the package from our website. After you install DirectX, do not forget to restart the computer for the changes to take effect. In that case you’ll download to your computer all libraries. It will surely solve the problem with d3dcompiler_43.dll and will protect you from future unpleasant surprises.

Download d3dcompiler_43.dll

  • OS Windows XP, Vista, 7, 8, 10
  • Bit 32/64bit
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