You might wonder: Why not just install a newer version? Or Doesn’t Windows Update handle this?
Fixes common issues like "d3dx9_43.dll missing" or "d3dx9_39.dll not found". No OS Modification: This package installs libraries directx end user runtimes june 2010 verified download
This is rare. It usually means corrupted download. Re-download the directx_Jun2010_redist.exe using the official Microsoft link above and try again. You might wonder: Why not just install a newer version