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How to fix d3dx9_43.dll is missing error in Diablo 3

Compared to the Path of Exile, Diablo 3 along with its top view is an amazing MMORPG game.  Its lightings and particle effects are a lot more advanced. It was released few years ago and is a really cool game. I want to play it before moving on to the new season. I didn’t encounter any problem after I installed it; however, when I tried to launch it I received the d3dx9_43.dll is missing from your computer which also stated that I should have the app reinstalled to solve the problem. I carried out the reinstallation and it was of no use. And after that, the error message transferred to other applications and games. My first thought was that it had to be a virus; however, after extensive Google research I discovered the cause of the problem and a solution for it.


I discovered that what happened to me was an attack from a virus which switched the original d3dx9_43.dll file with a malicious virus and my antivirus just got rid of it. The launch of any app or game would probably have executed the malicious d3dx9_43.dll file, if I didn’t have antivirus security. I couldn’t get rid of the error until after I solved the problem. Though there are lots of ways of fixing a d3dx9_43.dll is missing error, but the simplest way is to download a d3dx9_43.dll file from After downloading, you can then install it through the instructions available on the website. You don’t really require any serious computer skill to get it done because it is very self-explanatory. Don’t hesitate to share this guide with others who might need it.

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