How To Fix “d3d9.dll Already Exists, But Does Not Belong To ReShade” Error On Reshade

How To Fix d3d9.dll Already Exists But Does Not Belong To ReShade Error On Reshade

Are you facing “ReShade d3d9.dll Already Exists Error” While Using ReShade With Any Game? Are You Unable to use ReShade for your game?

No need to worry, you are at the right place to resolve this Error.

In this article, we have covered What causes “ReShade d3d9.dll Already Exists, But does not belong to ReShade” Error. The full error message shows, “d3d9.dll Already Exists, But Does Not Belong To ReShade. Please make sure this is not a system file required by the game”. What are the possible reasons for having it and most importantly how can we fix this issue of Reshade d3d9.dll Already Exists, But does not belong to ReShade?

What Is ReShade D3d9.dll Already Exists, But Does Not Belong To ReShade Error?

The Reshade d3d9.dll Already Exists, But does not belong to ReShade error typically occurs when you attempt to install ReShade on a game or application that already has a d3d9.dll file present in its directory.

Reshade d3d9.dll Already Exists But Does Not Belong To ReShade

ReShade relies on this file to inject its post-processing effects into the application, and the presence of a conflicting d3d9.dll file can lead to compatibility issues.

What Are The Causes Of ReShade D3d9.dll Already Exists, But Does Not Belong To ReShade Error?

ReShade dxgi.dll Already Exists, But does not belong to ReShade Error can occur due to the presence of dxgi.dll file from previous Installation, presence of residual dxgi.dll file post deletion in the same directory, Conflict between multiple game mods, and any game update modifying present dxgi.dll file.

Reshade d3d9.dll Already Exists Error

1. Presence Of D3d9.dll File From Previous Installation In Same Directory

You might have previously installed ReShade or a similar tool with a “d3d9.dll” file in the same game directory. ReShade detects this existing file and raises an error to prevent conflicts.

2. Presence Of Residual D3d9.dll File Post Deletion In Same Directory

Even if you uninstalled ReShade or another similar tool, some residual files, including the “d3d9.dll,” may still remain in the game directory. ReShade can detect these remnants and trigger the error

3. Conflict Between Multiple Game Mods

If you’re using multiple graphics enhancement mods or tools that rely on a “d3d9.dll” file, they can conflict with each other. ReShade may raise this error when it detects a conflicting DLL.

4. Game Update Modify D3d9.dll File

Sometimes, when a game receives updates or patches, it may inadvertently modify, or create a new “d3d9.dll” file in its directory. This can trigger the error when you try to use ReShade with the updated game.

How To Fix ReShade D3d9.dll Already Exists, But Does Not Belong To ReShade Error?

To fix the ReShade d3d9.dll Already Exists Error you need to Backup Existing Directory, Delete d3d9.dll file from Game Directory, Reinstall ReShade, Rename d3d9.dll file to d3d11.dll in the game directory, and copy-paste d3d9.dll file from the backup folder to existing library.

Below is the elaboration of Steps for fixing the ReShade d3d9.dll Already Exists Error:

1. Backup Existing Directory

Before making any changes, create a backup of your game or application directory.

To do this you need to select the whole directory, copy it, and paste it into a new file.

This precaution ensures that you can easily revert to the original state if anything goes wrong during the troubleshooting process.

2. Delete The D3d9.dll File From Game Directory

Locate and delete or move the existing d3d9.dll file from the game or application directory. This action removes any conflicts and allows ReShade to install correctly.

3. Uninstall And Reinstall Reshade

After removing the existing d3d9.dll file, you can proceed with reinstalling ReShade:

  • Run the ReShade setup executable for the specific game or application.
  • Click “Select Game” and navigate to the executable file of the game (usually ending with .exe) located in its installation directory.
  • Follow the installation prompts, choosing the rendering API that matches the game (usually DirectX 9 or below for d3d9.dll files).
  • When prompted to download shaders, you can select the desired ones or use the default selection.
  • Allow ReShade to overwrite any existing files during the installation process.

4. Rename D3d9.dll File To D3d11.dll

You need to rename the conflicting d3d9.dll file to d3d11.dll in the newly created directory of your respective game.

5. Copy Paste D3d9.dll File From Backup Folder To Existing Game Directory

Copy the d3d9.dll file from the backup folder created in Step 1 and then paste it into the newly generated game directory of your respective game along with the d3d11.dll file.

6. Configure ReShade

After ReShade is successfully installed, you may need to configure it to suit your preferences.

Launch the game, and you should see the ReShade overlay when you press the specified hotkey (typically “Shift + F2” by default).

From there, you can configure and enable the shaders you want to use.

7. Contact Others On ReShade Forum

If none of the above-provided fixes solved your issue of ReShade d3d9.dll Already Exists, But does not belong to ReShade then you can ask for the solution on ReShade’s Official Forum.

ReShade d3d9.dll Already Exists Error Reshade forum page

Here, you can have Expert advice from people who have either solved such errors before while using ReShade for any game or have the software knowledge behind such errors.

You can also ask for a solution on ReShade’s active Discord Community. Here you can interact with other players who might be facing similar problems or have solved these kinds of issues.