.dllD3DCompiler_40.dll : Free Download

Download and install D3DCompiler_40.dll to fix missing or corrupted dll errors.

Last Updated:
Oct 26th, 2022
Filename:
D3DCompiler_40.dll
Company:
Microsoft Corporation
Product:
Microsoft® DirectX for Windows®
Description:
Direct3D HLSL Compiler
Architecture:
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus:
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About D3DCompiler_40.dll

The `D3DCompiler_40.dll` is a Dynamic Link Library (DLL) file associated with Microsoft DirectX for Windows, specifically related to the Direct3D component and its High-Level Shader Language (HLSL) compiler. DirectX is a collection of APIs designed to handle multimedia tasks such as video game programming and advanced graphics on Microsoft platforms. The HLSL compiler is an essential tool within DirectX that allows developers to write programmable shaders—small programs that dictate the rendering of graphics by the GPU (Graphics Processing Unit).

The "D3DCompiler" part of the file name indicates its role in compiling HLSL code, which is used to create visual effects and control graphic details in 3D applications and games. The "40" in the file name signifies its version, indicating that it is part of DirectX 10 (DirectX versions are often denoted by the second digit, so "4" corresponds to DirectX 10). This version of the compiler supports features introduced in DirectX 10, offering advanced graphics capabilities and efficiencies in rendering.

If a game or application specifies a dependency on `D3DCompiler_40.dll` and the file is missing or corrupted on the user's system, it may result in errors or the inability to run the application correctly. This issue might be encountered particularly when trying to run games or software that were developed using DirectX 10 features.

Resolving issues related to a missing `D3DCompiler_40.dll` typically involves updating or reinstalling DirectX to ensure that all necessary components, including the HLSL compiler, are correctly installed on the system. For older versions of Windows, the DirectX End-User Runtime Web Installer can be used to update the DirectX runtime. On newer versions of Windows, DirectX updates are usually provided through Windows Update. It's important to source these updates from official Microsoft channels to maintain system integrity and compatibility.

How to Fix DLL Errors:

To fix .dll errors, you can try these common solutions. While some errors might need more detailed fixes, these initial steps often solve the most common problems.

Windows Error Examples:

This application has failed to start because D3DCompiler_40.dll was not found. Re-installing the application may fix this problem.
D3DCompiler_40.dll Not Found.

Updated Mar 14th, 2024 : File information is supported by Human Assisted Artificial Intelligence and should be used as a helpful tool. However, it is important to keep in mind that this information may not be up-to-date or entirely accurate.

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