How to Fix XAudio2_9.dll Missing Error (Solved)

What is XAudio2_9.dll?

XAudio2_9.dll is a Dynamic Link Library file that is essential for audio playback and processing in Windows applications using DirectX 9 or later versions. It plays an important role in the smooth functioning of games, multimedia applications, and other programs requiring audio functionalities.

Why is XAudio2_9.dll missing?

The XAudio2_9.dll file can go missing due to various reasons such as accidental deletion, system errors, or malware infections that may corrupt or remove critical files.

Common Causes:

• Malware Infections: Malicious software can damage or delete system files like XAudio2_9.dll.
• Accidental Deletion: Users may accidentally delete the file while cleaning up unnecessary files on their systems.

Step-by-Step Fixes

Method 1: Reinstall Visual C++ Redistributable

The XAudio2_9.dll file is part of Microsoft’s Visual C++ Redistributable packages. To reinstall it, follow these steps:

1. Visit the official Microsoft Download Center at this link.
2. Download and install the appropriate version of Visual C++ Redistributable for your system.

Method 2: Run SFC /scannow command

The System File Checker (SFC) is a built-in Windows utility that scans and repairs missing or corrupted files. To run the SFC command:

1. Press Windows key + X, then select ‘Command Prompt (Admin)’ or ‘PowerShell (Admin)’.
2. Type `sfc /scannow` and press Enter.
3. Follow the on-screen instructions to complete the scan and repair process.

Method 3: Update System Drivers

Outdated drivers can cause issues with various system components, including XAudio2_9.dll. To update your drivers:

1. Press Windows key + X, then select ‘Device Manager’.
2. Find and expand the category containing the problematic device driver (e.g., Audio Inputs or Audio Outputs).
3. Right-click on the driver and select ‘Update driver’. Choose ‘Search automatically for drivers’.

Conclusion

By following these methods, you should be able to resolve the XAudio2_9.dll missing error in your Windows system. Always remember to regularly back up important files and keep your system updated to minimize potential issues.