Can’t start because x3daudio1_7.dll is missing? [Full fix]

Matthew Adams
by Matthew Adams
Windows & Software Expert
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  • The x3daudio1_7.dll is missing issue can be caused due to a misplaced or deleted file or corrupted registry sections.
  • Some of Windows’ built-in system tools can fix the x3daudio1_7.dll is missing from your computer issue.
  • An even better way is to utilize certain third-party system repair software to fix this annoying error.
  • An x3daudio1_7.dll is missing error can also be resolved by manually obtaining a new x3daudio1_7.dll file for your PC.
D3dcompiler_43.dll is missing
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Windows has myriad DLL (Dynamic Link Library) system files. The x3daudio1_7.dll is a DirectX DLL file some games and multimedia software need.

If the x3daudio1_7.dll is not accessible, an x3daudio1_7.dll is missing error message like this one will pop up for certain software:

The code execution cannot proceed because x3daudio1_7.dll was not found. Reinstalling the program may fix this problem.

Software won’t usually start because of the x3daudio1_7.dll is missing error.

So, you can’t ignore an x3daudio1_7.dll error message if you want to utilize software that requires that DLL file.

There are numerous potential resolutions for fixing the x3daudio1_7.dll is missing issue.

How can I fix the code execution cannot proceed because x3daudio1_7 DLL was not found error?

1. Check out Restoro

The x3daudio1_7.dll is missing error means that the file is deleted or damaged. You can restore Windows DLL files with Restoro.

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.

Restoro is an advanced system repair utility that can fix many Windows-related errors, such as missing DLL or BSOD (Blue Screen of Death) issues.

Although you can manually download a fresh x3daudio1_7.dll from DLL file websites, Restoro provides a quicker and more straightforward resolution.

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 an SFC scan

  1. First, press the Windows and R keys simultaneously to open Run.
  2. Type this command in Run’s Open text box: cmd
  3. Then press the Ctrl + Shift + Enter hotkey to open an elevated Command Prompt window.
  4. Press Enter after inputting this command in the Prompt’s window: DISM.exe /Online /Cleanup-image /Restorehealth
  5. Thereafter, type in this System File Checker command and hit Enter: sfc /scannow
    Sfc /scannow command x3daudio1_7.dll is missing
  6. When the SFC scan is finished, restart your PC if the scan outcome confirms Window Resource Protection has repaired files.

3. Reinstall software the x3daudio1_7.dll error arises for

  1. Open the Run accessory’s window.
  2. Type this Programs and Features Control Panel applet command in the Open box: appwiz.cpl
  3. Click the OK option.
  4. Select the software that displays the x3daudio1_7.dll error message on the program list.
    The Programs and Feature applet x3daudio1_7.dll is missing
  5. Click the Uninstall button for the selected software (and Yes on confirmation prompts).
  6. Restart your PC before reinstalling the software.
  7. Then reinstall the uninstalled software with a downloaded installer file or its DVD installation disc.

4. Update Windows

  1. Open Settings by pressing the Windows + I hotkey.
  2. Select Update & Security to open the Settings tab as in the snapshot directly below.
    The Check for updates option x3daudio1_7.dll is missing
  3. Click the Check for updates button to update Windows 10.
  4. If a new build version is available, click the Download and install option for the latest feature update.

6. Copy the x3daudio1_7.dll from another PC

Finding the file

  1. First, turn on a PC to copy an x3daudio1_7.dll from. That PC must have the same Windows platform and 32 or 64-bit system architecture as the one you need to fix the x3daudio1_7.dll error on.
  2. Open the search tool with the Windows + S hotkey.
  3. Type x3daudio1_7.dll in the search box to find that file.
    An x3daudio1_7.dll x3daudio1_7.dll is missing
  4. Right-click the x3daudio1_7.dll to select Open file location.
  5. Then insert a USB drive into your PC.
  6. Right-click the x3daudio1_7.dll and select Copy.

Transferring the file

  1. Open a folder on your USB drive within File Explorer.
  2. Right-click within a folder on your USB stick to select the Paste option.
  3. Thereafter, turn on the PC you need to fix the x3daudio1_7.dll error on.
  4. Insert the USB drive that includes the x3daudio1_7.dll into the PC you need to copy it to.
  5. Thereafter, open one of these folders to copy the x3daudio1_7.dll to:
    C:\Windows\System32\ (for 64-bit DLL files)
    C:\Windows\SysWOW64\ (for 32-bit DLL files)
  6. Right-click within the folder you’re going to copy the file to and select Paste.
  7. Select the Replace the file in destination option if a Replace or Skip Files window opens.
    Replace or Skip Files window x3daudio1_7.dll is missing
  8. Open the Command Prompt as outlined for the second resolution.
  9. Enter this command in the Prompt’s window and press Return: regsvr32 x3daudio1_7.dll
    The regsvr32 command x3daudio1_7.dll is missing
  10. Restart Windows after registering the DLL file.

7. Restore Windows to a previous date

  1. Open Run’s window with the Windows + R keyboard shortcut.
  2. Type this command in the Open box and press Enter: rstrui
  3. Click the Choose a different restore point option and Next.
  4. If System Restore doesn’t display a full list of restore points, select the Show more restore points option.
    System Restore x3daudio1_7.dll is missing
  5. Now select a restore point date that will restore Windows to a time when there wasn’t an x3daudio1_7.dll issue on your PC.
  6. Click Next to continue.
  7. Select the Finish option to initiate the system restoration.

Note: Restoring Windows will delete software installed after a selected restore point date. So, don’t be surprised if some software has disappeared after restoring Windows.

You can check what software a selected restore point removes by clicking Scan for affected programs in System Restore.

The resolutions above will probably be enough to fix the x3daudio1_7.dll is missing error for the vast majority of users.

If, however, you still need another fix, try reinstalling or resetting Windows as a last resort. You can reset Windows 10 and 8 as outlined within our Factory reset guide.

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  1. Download this PC Repair Tool rated Great on (download starts on this page).
  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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