What is d3dcompiler_43.dll?
The d3dcompiler_43.dll file is a Dynamic Link Library used by DirectX to run graphics-heavy applications and games on Windows. If it’s missing or corrupted, programs may crash or fail to start.
Common errors include:
"d3dcompiler_43.dll is missing"
"d3dcompiler_43.dll not found"
Program crashes at startup
Common Causes of d3dcompiler_43.dll Errors
Missing or corrupted DLL file – Can happen after a fresh Windows install or system cleanup.
Outdated or faulty graphics drivers – DirectX relies on your GPU drivers to access DLL files properly.
System file corruption – Other Windows files may conflict, causing DLL errors.
Tools You’ll Need
Before fixing the DLL issue, make sure you have:
A Windows PC (7, 8, 10, or 11)
Internet connection
Administrator access
Optional: Driver Talent – a safe, expert-recommended tool for one-click DLL repair
Method 1: Quick Automatic Repair with Driver Talent
Using Driver Talent is the fastest and safest way to repair d3dcompiler_43.dll. It avoids risky manual downloads and ensures all related drivers are updated.
Steps:
Download and install Driver Talent
Open the software and click "Scan" to detect missing or corrupt DLLs.
Locate d3dcompiler_43.dll in the results.
Click "Repair" – Driver Talent will safely restore the file.
Restart your PC and try running the program again.
Why it works: Driver Talent automatically matches the correct version of DLL files with your system, reducing errors and saving time.
Pros: Quick, safe, beginner-friendly
Cons: Requires installing third-party software
Method 2: Manual Download and Installation
This method involves downloading the DLL manually from a trusted source and placing it in the correct folder. It’s riskier because fake DLLs can harm your PC.
Steps:
Go to a reputable DLL source, like the official Microsoft DirectX End-User Runtime page.
Download d3dcompiler_43.dll (choose 32-bit or 64-bit based on your system).
Copy the file to:
C:\Windows\System32 (for 32-bit Windows)
C:\Windows\SysWOW64 (for 64-bit Windows)
Press Win + R, type cmd, and run: regsvr32 d3dcompiler_43.dll
Restart your computer and test the program.
Warning: Only download DLLs from trusted sources. Malicious files can cause malware infections.
Method 3: Update DirectX and GPU Drivers
Sometimes DLL errors persist because DirectX or graphics drivers are outdated. Updating ensures your system has the latest required files.
Steps:
Press Win + R, type dxdiag, and check your DirectX version.
Visit the Microsoft DirectX End-User Runtime page and install updates.
Update your GPU driver:
Nvidia: Nvidia Driver Download
AMD: AMD Driver Download
Intel: Intel Driver & Support Assistant
Restart your PC.
Tip: Driver Talent can also automate GPU driver updates, saving time and avoiding version conflicts.
Method 4: System File Checker (SFC) Scan
Intro: If the DLL error persists, your Windows system files may be corrupted. SFC scans repair missing or damaged files.
Steps:
Press Win + S, type cmd, right-click Command Prompt, and select Run as administrator.
Type: sfc /scannow
Wait for the process to finish (may take 10–20 minutes).
Restart your PC.
Why it works: SFC checks critical Windows files and automatically repairs corrupt ones, including DLLs.
FAQ
Q1: Can I download d3dcompiler_43.dll from any website?
A: No. Only use trusted sources or automated tools like Driver Talent. Random sites may offer malware-infected files.
Q2: Is d3dcompiler_43.dll 64 bit different?
A: Yes. 64-bit Windows requires the 64-bit DLL version (SysWOW64 folder).
Q3: My game still crashes after fixing DLL. What next?
A: Update DirectX, GPU drivers, and perform an SFC scan. Driver Talent can handle most of these automatically.
Conclusion:
Fixing d3dcompiler_43.dll errors doesn’t have to be stressful. For fast, safe, and reliable results, I always recommend Driver Talent’s one-click DLL repair. If you prefer manual control, updating DirectX, GPU drivers, and using SFC scans also work—but take more time.
By following this guide, your games and apps should run smoothly again, free from annoying DLL errors.
