Fixing d3dx9_28.dll Errors

Overview - What is d3dx9_28.dll?

D3dx9_28.dll is one of many Microsoft's Direct-X DLL (dynamic link library) files. If you see DLL file beginning with d3dx9 on your computer, it will relate in some way to Microsoft Direct-X. Direct-X is used for games and CAD programs primarily, and Direct-X is commonly responsible for displaying graphics, 3D videos and animation.

D3dx9_28.dll along with other DLL files with similar names is used with Microsoft's Direct-X application. The d3dx9_28.dll file is usually installed when you either install Direct-X from Microsoft's website, or when a software application that uses Direct-X is installed. These DLL files are used to correctly display animations and complex graphics, and also are responsible for reproducing audio and surround sound. Direct-X was developed primarily to display graphics and produce sound on gaming systems and consoles including Microsoft's Xbox and Xbox 360. It has since been adapted to run on PC's and cater for PC games and software.

You May See These Messages Relating to d3dx9_28.dll

D3dx9_28.dll errors usually indicate a damaged, missing, or corrupt DLL file. If this is the case, you may see one of the following:

• This application has failed to start because d3dx9_28.dll could not be found
• The file d3dx9_28.dll is missing
• D3dx9_28.dll is not found, reinstalling might help to fix this
• D3dx9_28.dll is missing. Replace d3dx9_28.dll and try again

D3dx9_28.dll will appear mostly when a program or displaying 3D graphics is run. Games that use Direct-X for 3D animations will tend to crash when you run them, other applications or software may display messages at start up. In worst case scenarios, your computer may freeze or crash.

Nearly all error messages mentioning d3dx9_28.dll will be somehow related to Microsoft Direct-X. You may also receive messages relating to d3dx9_25.dll, d3dx9_32.dll, and d3dx9_28.dll. All of these files are connected to Direct-X, and the solutions to repair or replace these files are very similar.

Solutions - How Issues With d3dx9_28.dll are Resolved

1. Errors that appear when using one application that uses Direct-X, Should be in the first instance uninstalled and reinstalled. Re-installing the application will also reinstall any DLL files that were missing or corrupt and will fix most issues with Direct-X.
   
   
2. System stability scan may be able to help you before attempting to reinstall Direct-X. The stability scan will correct any links or files that are still left over from an incorrect Direct-X install.
   
   
3. Your graphics card and sound card may have out of date or incorrect drivers installed that are conflicting with Direct-X. You may in this case see errors relating to d3dx9_28.dll or another Direct-X DLL file. You should download and install the latest drivers for your graphics card. Always download drivers from official websites that pertain to the hardware you own.
   
   
4. Uninstalling Direct-X and reinstalling should also fix any issues. You can find updates or complete installations for Direct-X available from the official Microsoft website.
   
   
5. WinOS Restore will set your computer back to a state when it was working correctly. Restoring your computer back to an earlier date will not delete any files you have been working on recently.