Reinstalling the program may fix this problem. The code execution cannot proceed because d3dx9_43.dll was not found.There was a problem starting d3dx9_43.dll.Try reinstalling the program to fix this problem. The program can't start because d3dx9_43.dll is missing from your computer.The most commonly occurring error messages are: For instance, a faulty application, d3dx9_43.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry. Errors related to d3dx9_43.dll can arise for a few different different reasons.