DAX3APIDLL.dll – How to Fix & Should I Remove It?

Written by Daniel Zimmerman

DAX3APIDLL.dll is a dynamic link library (DLL) file associated with the DAX3API (Dolby Atmos Extension) software. It is primarily used to enable Dolby Atmos audio technology on compatible systems.

If you encounter issues or errors related to DAX3APIDLL.dll, it is essential to ensure that the file is genuine and has not been tampered with by malicious programs. To do this, you can perform a thorough scan of your system using reliable antivirus or anti-malware software to detect any potential threats.

Keep your system and software up to date, and be cautious when downloading files from untrusted sources. If you suspect any unusual behavior or encounter persistent issues with DAX3APIDLL.dll or the associated software, seek professional assistance from cybersecurity experts or official support channels.

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Remember, maintaining a robust security posture and staying vigilant against potential threats is crucial to safeguarding your system and data from malware and other cyberattacks.

How to Fix DAX3APIDLL.dll Errors?

If you encounter errors or issues related to the DAX3APIDLL.dll file, there are several steps you can take to resolve them:

  1. Update the DAX3API Software: Ensure that you are using the latest version of the DAX3API software. Check for updates from the official Dolby website or the software provider.
  2. Reinstall the DAX3API Software: If the DLL errors persist, try uninstalling the DAX3API software and then reinstalling it. This process can help resolve any corrupted or missing DLL files.
  3. Scan for Malware: Perform a comprehensive scan of your system using reliable antivirus or anti-malware software to ensure that the DAX3APIDLL.dll file is not infected or being used by malicious programs.
  4. Update Device Drivers: Outdated or incompatible device drivers can sometimes cause DLL errors. Update your audio drivers and other relevant drivers to the latest versions compatible with your system.
  5. System File Checker (SFC) Scan: Run a System File Checker scan to check for and repair any corrupt or missing system files, including the DAX3APIDLL.dll file. Open Command Prompt as an administrator and run the command: sfc /scannow.

By following these steps, you can address common DAX3APIDLL.dll errors and ensure the proper functioning of Dolby Atmos technology on your system.

DAX3APIDLL.dll File Info

File NameDAX3APIDLL.dll
File TypeDynamic Link Library (DLL)
DeveloperDolby Laboratories
ProductDolby Atmos Extension
Description DAX3APIDLL.dll is a critical component of the Dolby Atmos Extension software, which provides advanced audio capabilities, including spatial sound, on compatible systems.
Location Usually located in the “C:\Windows\System32” folder on Windows operating systems.
Potential Issues Although DAX3APIDLL.dll itself is not malware, it can be targeted by malicious programs if system security is compromised. Ensure the file’s integrity by performing regular system scans using trusted antivirus or anti-malware software.
Recommendations Keep your system and software up to date to prevent vulnerabilities that could be exploited by malware. Download DLL files from official sources, and avoid downloading files from untrusted websites.

Remember, it is always recommended to exercise caution when modifying DLL files or making changes to system files. If you are uncertain or uncomfortable with performing these troubleshooting steps, seek assistance from a qualified technician or consult the official support channels for the DAX3API software.

How to Remove Malware?

GridinSoft Anti-Malware is a powerful and reliable tool designed to detect and remove various types of malware from your computer. It can effectively eliminate viruses, adware, spyware, trojans, rootkits, and other malicious threats that may compromise your system’s security and privacy.

Start by downloading GridinSoft Anti-Malware from the button above. Once the download is complete, run the installer and follow the on-screen instructions to install the software on your computer.

Step 1: Perform a Full System Scan

Go to the “Scan” tab and choose the type of scan you want to perform. For comprehensive malware removal, select the “Full Scan” option. Click the “Full Scan” area to initiate the scanning process.

The Main Screen in Gridinsoft Anti-Malware

The Main Screen in Gridinsoft Anti-Malware

GridinSoft Anti-Malware will thoroughly examine your entire system, including files, memory, registry, and other areas where malware might be hiding.

Step 2: Remove Detected Malware

After the scan is complete, GridinSoft Anti-Malware will display the scan results. It will list all detected threats and their severity levels. Review the list and checkmark the items you want to remove.

Was Found Malware on infected PC. Probably related with DAX3APIDLL.dll

Was Found Malware on infected PC

Click the “Remove” button to start the malware removal process. GridinSoft Anti-Malware will quarantine and remove the selected threats from your system. Follow any additional prompts or instructions as needed.

Step 3: Restart & Enable Real-Time Protection

After the removal process is complete, restart your computer to finalize the changes and ensure that the malware is completely eliminated.

PC Protection in process

PC Protection in process

For ongoing protection against future threats, enable the real-time protection feature of GridinSoft Anti-Malware. This will monitor your system in real-time and prevent malware from infiltrating your computer in the first place.


GridinSoft Anti-Malware is an efficient and user-friendly tool to remove malware from your computer. Regularly scan your system with GridinSoft and keep it updated to safeguard your PC from potential security risks and maintain its optimal performance.

What is DAX3APIDLL.dll file? How to fix your system?

Name: DAX3APIDLL.dll

Description: DAX3APIDLL.dll is a dynamic link library (DLL) file that is a critical component of the Dolby Atmos Extension software. Dolby Atmos is an advanced audio technology that provides spatial sound and immersive audio experiences on compatible systems. The DAX3APIDLL.dll file contains essential functions and resources required for the proper functioning of the Dolby Atmos Extension. This DLL file is developed by Dolby Laboratories, a company known for its expertise in audio technologies. The Dolby Atmos Extension enhances audio quality by creating a three-dimensional audio space, allowing sound to move freely around the listener, delivering a more immersive and realistic audio experience. DAX3APIDLL.dll is typically located in the "C:\Windows\System32" folder on Windows operating systems, and it is loaded into memory when the Dolby Atmos Extension is initiated or when applications use its audio capabilities.

Operating System: Windows

Application Category: File

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About the author

Daniel Zimmerman

I'm Daniel, a seasoned professional deeply passionate about the realm of security and malware defense. With over a decade of experience in the security industry and a background in writing, I am thrilled to share my expertise through this cybersecurity blog.

Throughout my career, I've had the privilege of working on the front lines of cybersecurity, tirelessly combating emerging threats and safeguarding digital environments. This hands-on experience has allowed me to develop a deep understanding of the ever-evolving landscape of malware and cyber-attacks.

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