What is XAudio.exe?

The genuine XAudio.exe file is a software component of SoftK56 Data Fax Modem by Conexant Systems.
The SoftK56 Data Fax Modem is a hardware device that encodes and decodes or modulates and demodulates digital signals to send and receive them over an analog connection. Xaudio.exe runs a process that allows the modem to work as a speakerphone. This is not an essential process for Windows and can be disabled if known to create problems. SoftK56 Data Fax Modem is a 56Kbps hardware modem manufactured by Conexant Systems and released in 1998. The device features a combination of voice, data, fax and speakerphone functionality. The modem only provides support for Windows 98 and Windows XP. Conexant Systems, Inc. is an American company that designs and develops fabless semiconductors and computer software. Its products are chiefly used in modems, imaging, voice and audio processing equipment. The company primarily provides products for voice and audio processing, imaging and modems. Conexant Systems was spun off from Rockwell Semiconductor Systems, Inc. in 1999 and quickly became the largest communications-IC company in the world. Conexant is headquartered in Irvine, California, USA.

xAudio stands for Conexant Modem Audio Service

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the XAudio.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for XAudio.exe related errors

XAudio.exe file information

Windows Task Manager with XAudio
XAudio.exe process in Windows Task Manager

The process known as Modem Audio Service or XAudioService belongs to software SoftK56 Modem Driver by Conexant Systems (

Description: XAudio.exe is not essential for the Windows OS and causes relatively few problems. The file XAudio.exe is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 386,560 bytes (96% of all occurrences), 403,968 bytes, 406,528 bytes or 390,544 bytes. 
The program has no visible window. XAudio.exe is not a Windows core file. It is a Microsoft signed file. Therefore the technical security rating is 21% dangerous; however you should also read the user reviews.

Recommended: Identify XAudio.exe related errors

Important: Some malware disguises itself as XAudio.exe, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the XAudio.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Enables to use your modem like a speaker phone. Found with various computer including Acer laptops.
xaudio ist die mp3-engine, die als plug-in beim Grafik-Programm "irfanview" mit dabei ist. nur sichtbar beim Info-Aufruf
  Alexander Patscha  

Summary: Average user rating of XAudio.exe: based on 4 votes with 2 user comments. 4 users think it's probably harmless.

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Best practices for resolving XAudio issues

A clean and tidy computer is the key requirement for avoiding problems with XAudio. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the XAudio.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

XAudio.exe [all]