File Company:Microsoft Corporation
File Product:Microsoft® DirectX for Windows®
File Version:9.29.952.3111
File path(s):C:\WINDOWS\system32\
File size:1.9MB
File type:DLL
Description:Direct3D 9 Extensions 扩展库

What causes a Rundll Error?

A Rundll error occurs when XP, Windows 10 systems startup, and the Rundll error is caused by: Improperly deleting a DLL file. Missing DLL errors caused by deletion of a shared DLL file when an application is uninstalled. A shared DLL file is deleted or infected by a virus or Trojan. Invalid or incorrect DLL entries in the Windows registry. Corrupted DLL files.

How to Fix d3dx9_43.dll problems

What is d3dx9_43.dll?

d3dx9_43.dll is part of a product called known as Microsoft® DirectX for Windows® and it is developed by Microsoft Corporation. C:\WINDOWS\system32\

Do you have a problem with d3dx9_43.dll?

If d3dx9_43.dll is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Try installing DLLEscort to fix this error.

How to remove d3dx9_43.dll from your computer?

If you want to remove d3dx9_43.dll from your computer, just go to Start > Control Panel > Add/Remove programs and select Microsoft® DirectX for Windows® from the list.

How can you fix problems with d3dx9_43.dll?

If you have any problems with d3dx9_43.dll, you may try using a dllescort to check, analyze, and fix DLL problems that are affecting the performance of your computer.

How can you find further information for d3dx9_43.dll?

Direct3D 9 Extensions 扩展库

Run System File Checker (SFC)

1.Press Windows Key + X then click on Command Prompt(Admin).

command prompt with admin rights

2.Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows

SFC scan now command prompt

3.Wait for the above process to finish and once done restart your PC.