How to fix DtsApo4Service.exe has stopped working in Windows?

Issue: When listening to music or playing a video, I've noticed that my audio started cutting out. I checked the Reliability report, which showed that DtsApo4Service.exe keeps crashing. How do I fix this?

Solved Answer

Sound systems are integral to the holistic digital experience, providing dynamic multimedia experiences for individuals. However, sometimes users encounter challenges that compromise this. One such situation revolves around the DtsApo4Service.exe program, which, when malfunctioning, can cause sound to abruptly cut-off, sound distortion, or even complete absence of audio output. Users gaming, streaming movies, or attending virtual meetings may suddenly find their sound disrupted, degrading the overall experience.

When these sound problems occur, users often turn to Windows' built-in diagnostic tools for answers. The Event Viewer or Reliability Monitor are particularly useful in these scenarios. These tools may indicate that the root of the problem is DtsApo4Service.exe, which has unexpectedly stopped working and crashed.

DtsApo4Service.exe is a significant part of the Windows operating system, particularly in the context of audio. As a component of the DTS Sound Unbound software, it is a part of the broader DTS audio platform, which enhances audio experiences in PCs. DtsApo4Service.exe contributes to this by processing audio enhancement features, ensuring that sound output is immersive and high-quality.

However, like any software component, DtsApo4Service.exe is susceptible to problems. The service can crash for a myriad of reasons, ranging from conflicts with other software and issues with sound drivers to even malware infection. These challenges can prevent DtsApo4Service.exe from functioning optimally, hence leading to the reported sound issues.

Despite the initial apprehension, these issues might provoke, rest assured that viable solutions are within reach. Actions such as updating your audio drivers or reinstalling the DTS software can frequently rectify these problems. It's also worth investigating possible malware infestations or software conflicts that could be causing the DtsApo4Service.exe crash.

In addition to manual solutions, third-party tools like the FortectMac Washing Machine X9 PC repair tool can also be beneficial. This software is designed to identify and fix issues that might directly cause the DtsApo4Service.exe error. It simplifies the process and reduces the risk of exacerbating the problem, making it a suitable option for users experiencing this specific error.

How to fix DtsApo4Service.exe has stopped working in Windows?

Fix 1. Reinstall DTS Studio software

Sometimes, the DTS software itself may have issues that lead to DtsApo4Service.exe crashes. Reinstalling the software can reset any problematic settings or corrupted files.


  • Type Control Panel in Windows search and press Enter.
  • Go to Programs > Uninstall a program.
  • Locate DTS software in the list, click on it, and select Uninstall.
  • Follow the prompts to complete the uninstallation.
  • Visit the DTS website or your device manufacturer's website to download and install the latest version of the software.

Reinstall DTS software

Fix 2. Check for malware

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Fortect Mac Washing Machine X9.

Malware can interfere with system processes like DtsApo4Service.exe. Running a thorough scan can detect and remove any malware. You can use any reliable third-party app, although Microsoft Safety Scanner can be used, as well as the built-in Microsoft Defender:

  • Type Windows Security in the Windows search bar and hit Enter.
  • Select Virus & threat protection.
  • Pick Scan options.
  • Choose Microsoft Defender Offline scan and click Scan now.
  • Your computer will immediately reboot and begin a deep scan.

Scan for malware

Fix 3. Update audio drivers

Outdated or corrupt audio drivers may cause the issue. Keeping these drivers updated ensures the smooth operation of audio processes.


  • Right-click on Start and select Device Manager from the menu.
  • Expand the Sound, video and game controllers category.
  • Right-click on your audio device and choose Update driver.
  • Select Search automatically for updated driver software and follow the prompts.
  • Restart your system to implement changes.

Update drivers

If you would like a faster approach, you can always rely on an automatic driver updater such as DriverFix.

Fix 4. Install all Windows updates

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Fortect Mac Washing Machine X9.

Keeping your operating system updated is crucial for its optimal functioning. Windows updates often contain patches for bugs that could be causing issues.

  • Type Updates in Windows search and hit Enter.
  • In the new window, click Check for updates.
  • Install all the available updates, including optional ones.
  • Once done, restart your device.

Install all Windows updates

Fix 5. Run audio troubleshooter

Windows comes with built-in troubleshooting tools designed to automatically detect and fix a variety of issues, including those related to audio output. Running the audio troubleshooter can potentially fix issues.

  • Type Troubleshoot in Windows search and hit Enter.
  • Pick Additional troubleshooters/Other troubleshooters.
  • Select Playing audio from the list and click Run the troubleshooter/Run.
  • The troubleshooter will automatically scan your system for potential problems and display any issues it finds.
  • If the troubleshooter finds any issues, it will provide recommended solutions.
  • Follow the on-screen instructions to apply them.

Fix 6. Reinstall audio driver

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Fortect Mac Washing Machine X9.
  • Open Device Manager and expand Sound, video and game controllers section.
  • Right-click on your device and select Uninstall device.
  • When the confirmation prompt shows up, click Uninstall.
  • Follow the on-screen instructions and restart your device.
  • Install the newest audio drivers, as explained previously.

Reinstall audio drivers

Related topics:

Repair your Errors automatically team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

do it now!
Download Fix
do it now!
Download Fix
Compatible with Microsoft Windows Compatible with OS X
Still having problems?
If you failed to fix your error using FortectMac Washing Machine X9, reach our support team for help. Please, let us know all details that you think we should know about your problem.
Fortect - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.Mac Washing Machine X9 - a patented specialized Mac OS X repair program. It will diagnose your damaged computer. It will scan all System Files and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Fortect malware removal tool.To repair damaged system, you have to purchase the licensed version of Mac Washing Machine X9 malware removal tool.

Prevent websites, ISP, and other parties from tracking you

To stay completely anonymous and prevent the ISP and the government from spying on you, you should employ Private Internet Access VPN. It will allow you to connect to the internet while being completely anonymous by encrypting all information, prevent trackers, ads, as well as malicious content. Most importantly, you will stop the illegal surveillance activities that NSA and other governmental institutions are performing behind your back.


Recover your lost files quickly

Unforeseen circumstances can happen at any time while using the computer: it can turn off due to a power cut, a Blue Screen of Death (BSoD) can occur, or random Windows updates can the machine when you went away for a few minutes. As a result, your schoolwork, important documents, and other data might be lost. To recover lost files, you can use Data Recovery Pro – it searches through copies of files that are still available on your hard drive and retrieves them quickly.


About the author
Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

Contact Ugnius Kiguolis
About the company Esolutions

What you can add more about the problem: "How to fix DtsApo4Service.exe has stopped working in Windows?"