Legacy DirectX 9 component missing

What is d3dx9_43.dll-missing?

This medium-severity issue affects the graphics API (DirectX). A legacy game or program requires the DirectX 9 runtime library (d3dx9_43.dll) to launch, but the file is missing from your system. Reports of Legacy DirectX 9 component missing usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing out of nowhere. It's also often linked to incorrect application folder installation paths. See the troubleshooting steps below for the fix.

Common Causes

• Missing legacy DirectX 9 runtimes
• Corrupted or deleted system DLL files
• Incorrect application folder installation paths

Step-by-Step Fix Guide

• 1
  Install DirectX End-User Runtime Web Installer

  We'd suggest Install DirectX End-User Runtime Web Installer first — it's the fix most often responsible for solving d3dx9_43.dll missing outright.

• 2
  Run SFC and DISM to restore system files

  Should symptoms return, move on to the next steps — they're written specifically for harder-to-catch directx instability causes.

• 3
  Copy the DLL file from a trusted source or reinstall the game

  "Copy the DLL file from a trusted source or reinstall the game" handles an edge case some users report with d3dx9_43.dll-missing.

Commands & Diagnostics

Frequently Asked Questions