D3dx9_33.dll is missing from your computer? Here’s a fix

Matthew Adams
by Matthew Adams
Windows & Software Expert
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  • d3dx9_33.dll missing issues arise when the file has been deleted or becomes inaccessible due to registry or DLL file corruption.
  • There are a few third-party system maintenance utilities that can fix d3dx9_33.dll missing errors.
  • Platform updates can provide another d3dx9_33.dll fix, but for complete peace of mind, using specialized software is preferred.
  • Some of Windows 10’s built-in system tools can also fix d3dx9_33.dll file missing errors, but not with its own risks.
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D3dx9_33.dll is a shared Dynamic Link Library system file for Windows. This particular DLL file is a component of Microsoft DirectX.

So, d3dx9_33.dll missing errors usually arise when users try to start multimedia software or games. A common d3dx9_33.dll error message states:

The program can’t start because d3dx9_33.dll is missing from your computer. Try reinstalling the program to fix this problem.

When the above error message pops up, the software that needs the d3dx9_33.dll usually doesn’t start.

The error message makes it clear d3dx9_33.dll is not accessible, which can mean that file has been deleted. Various potential resolutions can restore that missing DLL file.

How can I fix a d3dx9_33.dll is missing error?

1. Scan your PC with Restoro

Restoro d3dx9_33.dll missing

Restoro is an advanced all-in-one system repair utility for Windows. It’s one of the most straightforward utilities for fixing a wide range of Windows issues.

Run a System Scan to discover potential errors

Restoro Scan
Click Start Scan to find Windows issues.
Restoro Fix
Click Repair All to fix issues with Patented Technologies.
Run a PC Scan with Restoro Repair Tool to find errors causing security problems and slowdowns. After the scan is complete, the repair process will replace damaged files with fresh Windows files and components.

Why manually search for, download, extract, and register a replacement d3dx9_33.dll when Restoro will do the job for you?

Restoro will replace all missing or corrupted Windows DLL files on your PC at just the click of a button. This software can also purge any fake malware DLL files.

DLLs and registries are valuable data libraries that Windows uses in order to run properly. Because of that, damaged or missing dlls or registry keys can be a leading cause for crashes, freezes, error messages, and they can even prevent you from launching software and Windows features altogether. Unfortunately, registries and DLLs are clusters of data that even advanced users have a hard time tweaking properly without guidance, and even Microsoft advices against it. More so, resetting your Windows OS is among the only truly effective solutions to fix these errors, but this solution has far too many drawbacks.
windows troubleshooters
In order to avoid all that, one can always rely on automated third-party solutions, and few are as good as Restoro. It automates pretty much every aspect of your PC repair process, from the scans to the actual fixing. Follow this small guide to learn to you can restore your PC to peak performance using Restoro:
  1. Download and install Restoro.
  2. Launch Restoro.
    • Restoro will now compile data about your PC.
      Restoro first scan
  3. Wait for it to find any system stability issues and possible malware infections.
    • Once the scan is complete, Restoro will show you a summary of your PC’s current status.
      Restoro repair
  4. Press Start Repair.
    • Restoro will now start downloading and replacing and faulty registries, DLLs, and any other damaged files it may have found during the scan.
    • This is possible thanks to the online libraries that is uses for comparison, replacing damaged data with its perfectly functional equivalent.
  5. Restart your PC for all the changes to take effect.
Your PC should now work perfectly fine, and you will no longer have to worry about slow response times, BSoD errors, or anything of the sort. Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

2. Run a System File Checker scan

  1. Click the Type here to search button on the far left side of Windows 10’s taskbar.
  2. Type in Command Prompt as the search keyword.
  3. Right-click Command Prompt and select Run as administrator to open that utility with elevated user rights.
  4. First, enter this command and press Return: DISM.exe /Online /Cleanup-image /Restorehealth
  5. When the Deployment Image Servicing scan is done, type in this System File Checker command: sfc /scannow
    sfc /scannow command d3dx9_33.dll missing
  6. Press the Enter keyboard key to start the SFC scan.
  7. Wait for the System File Checker utility to finish scanning.
  8. Restart your PC if the SFC scan results say Windows Resource Protection fixed files.

3. Check your Recycle Bin

  1. Click the Recycle Bin icon on your Windows desktop.
  2. Type d3dx9_33.dll in the Recycle Bin’s search box.
  3. Select the d3dx9_33.dll if your Recycle Bin search finds it.
    Recycle Bin d3dx9_33.dll missing
  4. Click the Restore the selected items option.

4. Reinstall software the d3dx9_33.dll issue arises for

  1. Press the Windows and X keys at the same time.
  2. Click Apps and Features to open Settings as in the snapshot directly below.
     The Apps & features tab d3dx9_33.dll missing
  3. Select the software you need to fix the d3dx9_33.dll error for.
  4. Click Uninstall to remove the selected program.
    The Uninstall button d3dx9_33.dll missing
  5. Restart Windows when you’ve uninstalled the software.
  6. Then reinstall the latest version of the software with its downloaded setup wizard or DVD.

5. Restore Windows to a previous date

  1. Right-click the Start button and select Run on the Win + X menu.
  2. Press the Enter keyboard key after entering this command Run’s Open box: rstrui
  3. Select the Choose a different restore point option, and click Next to proceed.
  4. Click the Show more restore points checkbox to view a full list of available restore point dates.
     System Restore utility d3dx9_33.dll missing
  5. Now choose a restore point that will roll Windows back to a date that predates the d3dx9_33.dll error on your desktop or laptop.
  6. Click Next to continue to the confirmation step.
  7. Finally, select the Finish option to confirm and roll back Windows to your chosen restore point.

Note: System restore points delete software installed after their dates. To check what software gets removed for a chosen restore point, click the Scan for affected programs option.

The above resolutions will most likely fix any d3dx9_33.dll missing error message on Windows.

The last resort resolution is to reinstall or reset Windows with installation media or the Reset this PC utility. Our Factory reset Windows 10 guide tells you how to utilize the Reset this PC utility.

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  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).
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