D3dcompiler_43 dll missing error usually occurs when a faulty or non-original application has been misplaced, corrupted or deleted by malicious software which is present on the damaged Windows registry of your PC. This generally makes programs fail to start up. It is usually caused due to issues with DirectX software collection. Restarting the computer, installing the latest Microsoft DirectX, uninstalling and reinstalling the program, restoring the particular DLL file from DirectX software package and updating video cards and drivers can be of no use to get rid of the above mentioned error.
This error can occur with original programs too
Getting rid of D3dcompiler_43 dll error can be very problematic and confusing for some people. Sometimes this error can occur if you try updating Microsoft Office. Suppose, you upgraded your machine 3 days prior to installing Windows 7, and also installed Asus drivers. Now, when you put your original Microsoft Office 2013 DVD and select the install Office 2013 Student and Home edition, an error message could flash on your screen which will say D3dcompiler_43.dll missing. Using the original version of Microsoft Office DVD could even give you an error message. If all your efforts fail, and you happen to download it online, Microsoft Word would get installed but while starting up, it would show an error message which may say Microsoft Word has suddenly stopped working.
Installing other original and well known software can also be a hassle. Suppose you install Microsoft Office Home and Business 2013 with an authorized product activation key, after 80 to 90 percent download, it can give an error code which says D3dcompiler_43.dll is missing. Many online sites, you visit might agree to fix this program by providing a software for a hefty sum of money. These software should not be trusted at any cost. Fixing your PC with Intel internal graphics and getting a GPU card installed will also not help in the long run. Also downloading a legitimate Microsoft Solution can only solve half of the problem. Many people tend to run Sfc/scannow or a DISM scan, but this method is usually futile.
Games fail to launch
If you are stuck in any situation regarding D3dcompiler 43 dll missing error, you should under no circumstances run the Command Prompt. This will not only fail to fix the corrupt files but also make you lose all your saved files. This damage can sometimes be irreversible. This error can also occur because of gaming graphics. Generally, installing a game called NFS Most Wanted makes this error pop up during start up. Updating all your drivers would also not solve this problem. Sometimes, it is possible that even after installing a good graphic card, this game might fail to work. The D3dcompiler 43.dll missing error is usually the culprit behind this.
What is the solution to this problem?
If you are experiencing no luck in solving D3dcompiler_43.dll not found error, then it is advisable for you to download and install DLL Suite. This will not only solve the above mentioned DLL error, but will also repair problems like system crashes, BSODs (Blue screen of death), system hangs and screen freezes.