To do so, follow these instructions: Windows 10 users have reported getting “The program can’t start because d3dx9_25is missing from your computer.Try reinstalling the program to fix this problem.” message when trying to run Age of Empires III.To access the Windows Update section, you can simply type “update” in the search box.Then go to Windows Update, check for updates and install the available updates.This error is caused if Direct X file is corrupted or not copied properly, so in order to fix it you need to download and install the latest version of Direct X.In addition, you can also insert the game disc and go to Direct X9 folder and copy the d3dx9_25file from there to your game directory.
If you’re Windows 10 user and you’re having issues with Age of Empires III you might want to have a look at our solutions.
Also, check out possible fixes for Age of Empires 2, in case you’re having issues with it on Windows 10, as well.
Make sure that you’re running the latest Windows OS updates on your machine.
If you can’t launch Age of Empires III on Windows 10, you might have some compatibility issues and you can easily fix them by trying one of our solutions.
This is pretty straightforward solution, just run the game in Windows Vista compatibility mode.
This patch fixes a few crash problems plus a couple ESO issues, along with some balance concerns.