Any of Microsoft’s operating systems since Windows 98 may be affected by d3dcompiler_43.dll and other DirectX issues.
This includes Windows 11, Windows 10, Windows 8, etc.
There are several reasons whydownloading DLLs that way is rarely a good idea.

If you’ve already done so, remove it immediately and continue with these steps.
cycle your computerif you haven’t yet.
roll out the latest version of Microsoft DirectX.
Reinstall the game or software program.
have another go with afree uninstaller tooland see if that doesn’t do the job.
Restore d3dcompiler_43.dll from the latest DirectX software package.
Update the driversfor your video card.