The error “falta d3dx9_39.dll” generally occurs after an app or game refuses to open. Almost all errors that point to the d3dx9_39.dll file are caused or triggered by a roadblock with Microsoft DirectX.
This application did not start because d3dx9_39.dll was not found. Reinstalling the app can fix this problem.
Even though this particular error can theoretically be applied to all kinds of applications, videogames are, with much, the largest types of software that use this particular DLL file (d3dx9_39.dll). Here is a list of games that are known to trigger d3dx9_39.dll errors:
- League of Legends
- Sorcerer 1 Y 2
- Warhammer 40,000
- Prince of Persia
Note: note that the list does not end here. As usual, newly released games no longer use optional DirectX files 9, but any game released before Direct X 11 became the rule could cause the error “falta d3dx9_39.dll”.
What is d3dx9_39.dll?
The d3dx9_39.dll file is one of the many DLL files contained in the Microsoft DirectX software collection.. Each DLL (dynamic link library) contains a specific instruction that other third-party programs can use to borrow a certain functionality. Thanks to this DLL system, multiple programs can simultaneously share calculation capabilities programmed into a single file.
The d3dx9_39.dll file is part of the DirectX Runtime redistributable package from June 2010. Actually, this is an optional update used by many apps and games. Despite this, Latest versions of Windows will not include DirectX Runtime from June 2010 by default and the DirectX package that is needed will not be installed via WU (Windows Update).
How to correct the error “falta d3dx9_39.dll”
Warning: Do not download the missing d3dx9_39.dll file individually from a DLL download site. Even if you can solve the problem, the fact that you have only copied a single DLL from the DirectX package will likely trigger additional DLL errors. To make things worse, Affected users have discovered that some individually hosted DLLs may contain malicious code that can leave their system vulnerable to virus infections.
If today you have trouble with the error “Falta d3dx9_39.dll”, the following steps will help you. We investigated this error and found that the majority of users who were having trouble with the error “falta d3dx9_39.dll” (and some similar variants) They manage to fix the problem by installing the DirectX Runtime redistributable package from June 2010.
Here's a quick guide for installing the June DirectX Runtime update 2010 to fix the error “d3dx9_39.dll falta”:
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Visit this official Microsoft link (here) and download the DirectX Runtime installer from June 2010.
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Open the installer and follow the on-screen instructions to install the optional DirectX update on your system.
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Restart your computer and open the application that was showing the error “Falta d3dx9_39.dll”. I should be able to open the game / smooth application.
If the installation of the DirectX Runtime redistributable package from June 2010 did not resolve the error “Falta d3dx9_39.dll”, try reinstalling the app showing the error. If this also fails, furthermore you can try restarting your Windows and reinstalling the application along with the redistributable package.
