3 Steps to Download and Fix DAX3APOv251.dll DLL Errors

Last Updated: 11/26/2023
[Average Read Time: 4.5 minutes]

DAX3APOv251.dll uses the DLL file extension, which is more specifically known as a Dolby DAX APO file. It is classified as a Win64 DLL (Dynamic link library) file, created for Dolby DAX by Realtek Semiconductor.

The first version of DAX3APOv251.dll was released for the Windows 10 Operating System on 01/07/2019 inside Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82. According to our records, this is the primary and most recent file release from Realtek Semiconductor.

Continue reading below to discover detailed file information, DLL file troubleshooting, and free downloads of several versions of DAX3APOv251.dll.

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File Overview


General Information
File Name: DAX3APOv251.dll
File Extension: DLL file extension
Description: Dolby DAX APO
Object File Type: Dynamic link library
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Dolby Laboratories
Software Program: Dolby DAX
Legal Copyright: © 2017 Dolby Laboratories, Inc. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: Private build
File Flags Mask: 0x003f
Entry Point: 0x5a530
Code Size: 742912


What are DAX3APOv251.dll Error Messages?


Dynamic Link Library DAX3APOv251.dll Errors

DAX3APOv251.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like DAX3APOv251.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit)) could share the same DAX3APOv251.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when DAX3APOv251.dll is attempted to be loaded either when Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) is starting up, or in some cases already running. Some of the most common DAX3APOv251.dll errors include:

Your DAX3APOv251.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit)), or deleted by a malware infection. Furthermore, DAX3APOv251.dll file corruption could be caused from a power outage when loading Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit), system crash while loading DAX3APOv251.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix DAX3APOv251.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your DAX3APOv251.dll issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the DAX3APOv251.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) (or related software), uninstall then try reinstalling Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) software.

You can uninstall Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82

Realtek Semiconductor

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many DAX3APOv251.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the DAX3APOv251.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your DAX3APOv251.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate DAX3APOv251.dll file version. We maintain a comprehensive database of 100% malware-free DAX3APOv251.dll files for every applicable version of Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit). Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download DAX3APOv251.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) folder location:
    Windows 10: C:\Windows\System32\DriverStore\FileRepository\hdxrt.inf_amd64_b0026a592e9b4de4\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve DAX3APOv251.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download DAX3APOv251.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying DAX3APOv251.dll to your appropriate Windows system directory. Realtek Semiconductor typically does not release Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing DAX3APOv251.dll and all other DLL files for Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit). An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


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YamahaAE3.dll YamahaAE YamahaAE (5.0.4.0) 15202032 C:\Windows\System32\winevt\Logs\
cmi2migxml.dll CMI To MigXML Translation Microsoft® Windows® Operating System (10.0.18362.1) 177680 C:\WINDOWS\Tasks\
RemoteAccess.dll Remote Access Microsoft OneDrive (19.222.1110.0006) 689512 C:\Users\Tester\AppData\Local\
FileCoAuthLib.dll Microsoft OneDriveFile Co-Authoring Library Microsoft OneDrive (19.222.1110.0006) 161128 C:\Users\Tester\AppData\Local\Microsoft\Windows\
CAF64APO2.dll Conexant Audio Processing Objects, (x64) Conexant AudioSmart (3.43.0.0) 609392 C:\Windows\System32\winevt\Logs\

Other Files Related to DAX3APOv251.dll

File Name Description Software Program (Version) File Size (bytes) File Location
CBS.log Log Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter 2015-10-28 422341 C:\Windows\Logs\CBS\
setuperr.log Log Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 5179 C:\Windows\Panther\NewOs\Panther\
setuperr.log Log Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 146 C:\$WINDOWS.~BT\Sources\Panther\
setupact.log Log Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter 2015-10-28 14252 C:\Windows\System32\Sysprep\Panther\
volsnap.PNF Precompiled INF Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 5164 C:\Windows\inf\


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