D3DCompiler_43.dll Error Messages
You may have seen the error messages above when your system or programs startup. Getting D3DCompiler_43.dll errors indicates that the file D3DCompiler_43.dll is missing or corrupt.
We strongly recommend that you perform a full scan for your computer to check D3DCompiler_43.dll errors.
What is D3DCompiler_43.dll?
It is clear that D3DCompiler_43.dll is a Dynamic Link Library (DLL) file. It is used for the games like Battlefield 3, F.E.A.R.3, and Dragon Age 2. So D3DCompiler_43.dll error is not something that can not be fixed. Follow these 4 steps to repair D3DCompiler_43.dll problems.
How to Fix D3DCompiler_43.dll Error?
STEP ONE: Reinstall the games like Battlefield 3, F.E.A.R.3, and Dragon Age 2
When the reinstallation is complete, please DO remember to check if the games you installed is the latest version. If not, please go to their websites and upgrade the installation.
STEP TWO: Download D3DCompiler_43.dll
If the reinstallation doesn't help fix D3DCompiler_43.dll error, you should download D3DCompiler_43.dll file from the internet. The D3DCompiler_43.dll file is located in the C:\Windows\System32 folder of Windows 7/Vista/XP, C:\WINNT\System32 folder of Windows NT/2000/2003, and C:\Windows\System folder of Windows 95/98/ME. What you need to do is replace D3DCompiler_43.dll file in this folder.
Download D3DCompiler_43.dll with DLL Files Fixer
And then take the steps below to re-register D3DCompiler_43.dll.
STEP THREE: Clean your Windows Registry
DLL error messages refer to a corrupt registry. DLL files are actually a big database that handles information of applications and your operating system. Any damage to the registry can lead to irritating DLL errors. So you have to scan and clean your registry on a regular basis.
To ensure the security and efficiency of your PC, download Smart Registry Cleaner to clean, repair and defragment your Windows registry.
STEP FOUR: Scan your system for VIRUS or SPYWARE
The main reason that you get D3DCompiler_43.dll error is because the D3DCompiler_43.dll file is infected by virus or spyware, therefore you should download the latest antivirus/antispyware software to protect your computer. Go to Malware Protection Center to download Virus Removal to protect your computer.