What does the DtsApo4Service.exe file do?
The DtsApo4Service.exe process is also known as Controls the DTS audio processing object and is a part of DTS APO4 Service. This software is produced by DTS. An outdated or faulty version of DtsApo4Service.exe can cause problems for your computer, ranging from slowness to error messages like these:
- DtsApo4Service.exe has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- DtsApo4Service.exe has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- DtsApo4Service.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module DtsApo4Service.exe. Read of address 00000000.
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What you should know about DtsApo4Service.exe DtsApo4Service.exe
DtsApo4Service.exe is not part of Windows, but it is important nonetheless. DtsApo4Service.exe is found in no folder.
It is the service "DtsApo4Service".
It was developed by a so-called third party provider - and not by Microsoft. This process does not appear as a visible window, but only in Task Manager. This file has been digitally signed by Microsoft itself to guarantee its authenticity. The file has a digital signature. This confirms that the producer has been registered with a certificate authority.
DtsApo4Service.exe appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files.
For this reason, 12% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves DtsApo4Service.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about DtsApo4Service?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall DTS APO4 Service
To remove DtsApo4Service.exe from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate DTS APO4 Service in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if DtsApo4Service.exe (DtsApo4Service.exe) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of DtsApo4Service.exe. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: DtsApo4Service.exe or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or DtsApo4Service.exe is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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