What is dtsapo4service.exe & How to Fix its Errors

This process is crucial for the smooth running of DTS Sound software

by Ola-Hassan Bolaji
Ola-Hassan Bolaji
Ola-Hassan Bolaji
Editor
A Computer Engineering graduate, he has spent most of his life reading and writing about computers. He finds joy in simplifying complex topics into simple solutions for PC... read more
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Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Dtsapo4service.exe is a sound-related process that makes the DTS Audio Processing software work properly.
  • The process is completely safe and does not hog your PC resources.
  • If the dtsapo4service.exe process is causing high CPU usage, you can disable it in Task Manager.
dtsapo4service.exe
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There are different processes that run in the background to make the Windows PC click. One of the lesser-seen processes is dtsapo4service.exe.

This process sometimes pops up in the Task Manager and makes users wonder what it does. This guide provides all the information you need about the dtsapo4service.exe process, including fixing its related errors.

What is dtsapo4service.exe?

Dtsapo4service.exe is an executable file that comes with the DTS Sound software. It runs in the background and ensures its parent software runs smoothly.

This process is safe and will not hog your PC resources normally. However, like many other processes, viruses can sometimes disguise as dtsapo4service.exe, leading to abnormal resource usage.

A simple malware scan should help you in this case. The importance of this process will depend on how much you value the DTS Sound software. But as it is not a system process, you can always disable it.

1. Disable the process

  1. Press the Windows key + X and select the Task Manager option.
    task manager
  2. Scroll down and right-click the dtsapo4service.exe option.
  3. Finally, select the End task option.
    end task

The easiest way to fix issues related to dtsapo4service.exe is to disable the process. This is especially true if it is causing high CPU or disk usage.

2. Update/reinstall the sound driver

  1. Press the Windows key + R, type devmgmt.msc, and click OK.
    devmgmt.msc dtsapo4service.exe
  2. Double-click the Sound, video, and game controllers option and right-click the High Definition device under it.
  3. Now, select the Update driver option.
    update driver
  4. Next, choose Search automatically for drivers and install any available update.
    search auto
  5. If updating the driver does not work, repeat Steps 1 to 3 and select Uninstall device instead.
    uninstall device
  6. Finally, click the Uninstall button and restart your PC.

Sometimes, problems related to dtsapo4service.exe might be due to issues with your sound driver. Simply updating your driver should do the trick in most cases.

However, if that does not work, you might have to uninstall and reinstall the driver. To make things easier and quicker, we recommend using a dedicated tool in DriverFix to sort the issue with your driver.

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3. Run the Playing Audio troubleshooter

  1. Press the Windows key + I and select Troubleshoot in the right pane.
    troubleshoot dtsapo4service.exe
  2. Select the Other troubleshooters option.
    other trouble
  3. Now, click the Run button before the Playing Audio option and follow the onscreen instructions.
    run audio

In some cases, dtsapo4service.exe might be throwing up error messages because of problems with some sound-related processes. Running the built-in troubleshooter should help you clear these glitches and restore normalcy.

4. Uninstall DTS Audio Processing software

  1. Press the Windows key + S, type control, and click Control Panel.
    control dtsapo4service.exe
  2. Choose Uninstall a program under the Programs option.
    uninstall a
  3. Now, right-click the DTS Audio Processing option, select Uninstall, and follow the onscreen instructions to complete the process.
    uninstall
  4. Alternatively, you can open File Explorer and follow the path below: C:/Program Files/DTS Sound/Tobit Software/dts_apo_service.exe_uninstall.exe
  5. Finally, run the uninstaller and follow the onscreen instructions.

If everything else fails to solve the problems you are facing with the dtsapo4service.exe process, you need to uninstall the DTS Audio Processing software. This will eliminate the source of the issue, which will, in turn, get rid of the error message.

The dtsapo4service.exe process is integral if you are using the DTS Sound software. It is generally safe and poses no threat to your PC.

However, it can run into issues at times. But you can always use the solutions in this guide to fix them.

If you want to know about the SelfCert.exe file, our comprehensive guide on the topic contains all the information you need.

Feel free to share your experience with this process with us in the comments below.

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