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DLL Vault

d3dx9_31.dll

x86 DirectX
Verified
RECOMMENDED FIX

Install DirectX

This DLL is part of the DirectX End-User Runtime. Installing the official package is the correct way to fix this error.

Download 64-bit Installer Download 32-bit Installer

Official installer from Microsoft.com

Why You Shouldn't Just Download the DLL

  • DLLs depend on other DLLs - copying one file won't fix the chain
  • Runtime packages register components in Windows correctly
  • Version mismatches can cause more problems
  • The official installer handles all of this automatically

Compatibility

Windows 10/11 Windows 11 Windows 10 Windows 8.1 Windows 8 Windows 7

Common Uses

Games 3D Applications Video Editors Game Engines

File Details

Name
d3dx9_31.dll
Size
2.3 MB
Version
10.0.20348
Architecture
x86
Source
Directx
Part of
DirectX

Hash Verification

e2065619fe6eb0034833b1dc0369deb4a6edc3110e38a1132eeafcf430c578a5
797e24743937d67d69f28f2cf5052ee8

Best Solution

Install the official package

DirectX (64-bit) 32-bit Version
ADVANCED

Manual DLL Download

Only if installer doesn't work

This is a last resort. Try the official installer first.
Download ZIP

2.3 MB | x86

3,245 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/SysWOW64/
  3. 3 If needed: regsvr32 d3dx9_31.dll

Official Microsoft source

Malware scanned

SHA-256 verified