XAudio32.dll file information
The process known as Modem Audio Service or HsfXAudioService (HsfXAudioService) belongs to software HsfXAudioService (HsfXAudioService) or SoftK56 Modem Driver by Conexant Systems (www.conexant.com).
Description: XAudio32.dll is not essential for the Windows OS and causes relatively few problems. The XAudio32.dll file is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/11/7 are 410,624 bytes (87% of all occurrences) or 417,336 bytes. 
The service can be started or stopped from Services in the Control Panel or by other programs.
The program has no visible window. It is a trustworthy file from Microsoft. XAudio32.dll is not a Windows system file.
Therefore the technical security rating is 5% dangerous.
Recommended: Identify XAudio32.dll related errors
Important: Some malware disguises itself as XAudio32.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the XAudio32.dll 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.
Best practices for resolving XAudio32 issues
A clean and tidy computer is the key requirement for avoiding problems with XAudio32. 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the XAudio32.dll 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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
processlasso.exe psuaservice.exe nvapiw.exe XAudio32.dll pdanetpc.exe hdeck.exe nahimicsvc32.exe btdna.exe uoipservice.exe atouch64.exe collector.exe [all]
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