What is the XAudio32.dll component needed for?
Simply put, a DLL file is a renamed executable file. It cannot be executed directly but can be called by any Windows executable program.The XAudio32.dll process is also known as Modem Audio Service or, as the case may be, HsfXAudioService (HsfXAudioService) and is a part of HsfXAudioService (HsfXAudioService) or, as the case may be, SoftK56 Modem Driver. This software is produced by Conexant Systems (www.conexant.com). An outdated or faulty version of XAudio32.dll can cause problems for your computer, ranging from slowness to error messages like these:
- Modem Audio service has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Modem Audio service 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)
- XAudio32.dll has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module XAudio32.dll. Read of address 00000000.
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What you should know about XAudio32.dll Modem Audio service
XAudio32.dll is not part of Windows, but it is important nonetheless. The file XAudio32.dll is found in the C:\Windows\System32 directory.
Frequently occurring are file sizes such as 410,624 bytes (95% of all these files) or, as the case may be, 417,336 bytes.
You can end this service, pause it, or restart it by going to System and Security/Administrative Tools/Services in Control Panel. The service does not run under your user account.
This XAudio32.dll process does not appear as a visible window, but only in Task Manager. It does not come from Microsoft and is not part of the operating system. The file has been digitally signed by Microsoft itself to guarantee its authenticity.
For this reason, 5% 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 XAudio32.dll. 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 XAudio32?
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 HsfXAudioService or SoftK56 Modem Driver
To remove Modem Audio service 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 HsfXAudioService or SoftK56 Modem Driver in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if XAudio32.dll (Modem Audio service) 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 Modem Audio service. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Modem Audio service 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 XAudio32.dll 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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