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What's D3dx9d_39.dll?

D3dx9d_39.dll, as indicated by its name, is the process developed and used for to n/a. Some programs won't be installed to the system or won't work without D3dx9d_39.dll file. D3dx9d_39.dll

Error loading D3dx9d_39.dll

Many internet uses have reported that the D3dx9d_39.dll error appeared when they were installing n/a. Actually, D3dx9d_39.dll error message will show up due to the D3dx9d_39.dll removal or corruption.

The following are few common messages associated with the D3dx9d_39.dll missing error.

“Cannot find the file D3dx9d_39.dll”
“The file D3dx9d_39.dll is missing.”
“This application has failed to start because D3dx9d_39.dll was not found”

Solutions - How to Fix D3dx9d_39.dll Errors

Download the D3dx9d_39.dll error Repair Tool.
Click "Save File" and follow the on-screen instructions to install the program.
First, open DLLEscort, click on the "File Repair" to the right of the input file name and click download


After the download is complete, find the corresponding version of the file, click on "Open"


This will open Explorer, then you'll see the file, right-copy


Copy it to the corresponding directory


If the above method does not solve the problem, then click the "PC Scan" option, select "Scan", wait for the scan results...



Click "All Repair" to fix all the problems.

  1. In order to complete this step, you must run the Command Prompt as administrator. In order to do this, all you have to do is follow the steps below.
    NOTE! We ran the Command Prompt using Windows 10. If you are using Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP, you can use the same method to run the Command Prompt as administrator.
    1. Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard. This process will enable you to run a search through the Start Menu. We also typed in "cmd" to bring up the Command Prompt.
    2. Right-click the "Command Prompt" search result that comes up and click the Run as administrator" option.
    Running the Command Prompt as administrator
    Step 4:Running the Command Prompt as administrator
  2. Paste the command below into the Command Line that will open up and hit Enter. This command will delete the damaged registry of the D3dx9d_39.dll file (It will not delete the file we pasted into the System32 folder; it will delete the registry in Regedit. The file we pasted into the System32 folder will not be damaged).
    %windir%\System32\regsvr32.exe /u D3dx9d_39.dll
    Deleting the damaged registry of the D3dx9d_39.dll
    Step 5:Deleting the damaged registry of the D3dx9d_39.dll
  3. If you have a 64 Bit operating system, after running the command above, you must run the command below. This command will clean the D3dx9d_39.dll file's damaged registry in 64 Bit as well (The cleaning process will be in the registries in the Registry Editor< only. In other words, the dll file you paste into the SysWoW64 folder will stay as it).
    %windir%\SysWoW64\regsvr32.exe /u D3dx9d_39.dll
    Uninstalling the D3dx9d_39.dll file's broken registry from the Registry Editor <em>(for 64 Bit)</em>
    Step 6:Uninstalling the D3dx9d_39.dll file's broken registry from the Registry Editor (for 64 Bit)
  4. We need to make a new registry for the dll file in place of the one we deleted from the Windows Registry Editor. In order to do this process, copy the command below and after pasting it in the Command Line, press Enter.
    %windir%\System32\regsvr32.exe /i D3dx9d_39.dll
    Creating a new registry for the D3dx9d_39.dll file in the Windows Registry Editor
    Step 7:Creating a new registry for the D3dx9d_39.dll file in the Windows Registry Editor
  5. Windows 64 Bit users must run the command below after running the previous command. With this command, we will create a clean and good registry for the D3dx9d_39.dll file we deleted.
    %windir%\SysWoW64\regsvr32.exe /i D3dx9d_39.dll
    Creating a clean and good registry for the D3dx9d_39.dll file <em>(64 Bit için)</em>
    Step 8:Creating a clean and good registry for the D3dx9d_39.dll file (64 Bit için)
  6. You may see certain error messages when running the commands from the command line. These errors will not prevent the installation of the D3dx9d_39.dll file. In other words, the installation will finish, but it may give some errors because of certain incompatibilities. After restarting your computer, to see if the installation was successful or not, try running the software that was giving the dll error again. If you continue to get the errors when running the software after the installation, you can try the 2nd Method as an alternative.

Method 2: Copying the D3dx9d_39.dll File to the Software File Folder

  1. In order to install the dll file, you need to find the file folder for the software that was giving you errors such as "D3dx9d_39.dll is missing", "D3dx9d_39.dll not found" or similar error messages. In order to do that, Right-click the software's shortcut and click the Properties item in the right-click menu that appears.
    Opening the software shortcut properties window
    Step 1:Opening the software shortcut properties window
  2. Click on the Open File Location button that is found in the Properties window that opens up and choose the folder where the application is installed.
    Opening the file folder of the software
    Step 2:Opening the file folder of the software
  3. Copy the D3dx9d_39.dll file into this folder that opens.
    Copying the D3dx9d_39.dll file into the software's file folder
    Step 3:Copying the D3dx9d_39.dll file into the software's file folder
  4. This is all there is to the process. Now, try to run the software again. If the problem still is not solved, you can try the 3rd Method.

Method 4: Solving the D3dx9d_39.dll Error Using the Windows System File Checker

  1. In order to complete this step, you must run the Command Prompt as administrator. In order to do this, all you have to do is follow the steps below.
    NOTE! We ran the Command Prompt using Windows 10. If you are using Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP, you can use the same method to run the Command Prompt as administrator.
    1. Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard. This process will enable you to run a search through the Start Menu. We also typed in "cmd" to bring up the Command Prompt.
    2. Right-click the "Command Prompt" search result that comes up and click the Run as administrator" option.
    Running the Command Prompt as administrator
    Step 1:Running the Command Prompt as administrator
  2. Type the command below into the Command Line page that comes up and run it by pressing Enter on your keyboard.
    sfc /scannow
    Getting rid of Windows Dll errors by running the sfc /scannow command
    Step 2:Getting rid of Windows Dll errors by running the sfc /scannow command
  3. The process can take some time depending on your computer and the condition of the errors in the system. Before the process is finished, don't close the command line! When the process is finished, try restarting the software that you are experiencing the errors in after closing the command line.

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