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Download/Install DirectX 9 Update to fix the Missing DLL Error

My MikuMikuDance does not open. How do I fix the missing file error? Fix the missing DLL File Error. MMD 9.32 does not run. Miku Miku Dance will not run. How do I update to DirectX 9?

FIX the Missing DLL Error!

Editor’s Note, 1/18/16:
Troubleshooting MMD
Our Parkeerwacht has written a single article describing the common errors and the latest solutions to those errors. See that post to find the answers you need as you
fix / troubleshoot MikuMikuDance.
Still need help? Leave a comment or send Reggie an email.


When I first installed MikuMikuDance 7.39 on my computer, before anything else, I right clicked the MikuMikuDance.exe icon and chose “create shortcut” … which I “drag and dropped” onto the desktop as a convenient way to start the program in the future. (I like seeing the little Miku Face icon on my desktop!)

When I first double clicked the program, it did not run. An Error message said the program could not find a DxOpenNI.dll … the infamous “missing dll error!

You need to Update your DirectX files …

A quick Google Search gives you BAD information. Different sites want you to download the missing DLL file. You cannot do that. You want to download the DirectX update from Microsoft so that you get the whole set of the newest files.

I went to the Microsoft Download pages and searched for the DirectX 9 upgrade.

DirectX End-User Runtime

We now have the links to the Microsoft  downloads for you. Select the proper version for your system from the boxed-area on our Downloads page. Put that file on your desktop and open it to start the DirectX 9 installation. You may delete it after you have run it.

When that installation was complete … when I double clicked MikuMikuDance.exe … it started right up!

Some Readers Report … d3dx9_32.dll still missing!

See the comments for this article … many helpful hints … and also the article about this particular DLL file:



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