What is AzMixerSel.exe?

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 AzMixerSel.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.

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AzMixerSel.exe file information

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

The process known as Azalia Mixer Selector or Azalia Mixer Select belongs to software Realtek Azalia Mixer Selector or Realtek High Definition Audio Driver or Realtek High Definition Audio or Realtek Azalia Mixer Select by Realtek Semiconductor (

Description: AzMixerSel.exe is not essential for the Windows OS and causes relatively few problems. AzMixerSel.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 53,248 bytes (83% of all occurrences), 57,344 bytes, 45,056 bytes or 59,936 bytes. 
The application starts when Windows starts (see Registry key: MACHINE\Run). The AzMixerSel.exe file is not a Windows system file. The program has a visible window. Therefore the technical security rating is 27% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you experience any issues with installation of AzMixerSel.exe, you may also uninstall Realtek High Definition Audio or Realtek High Definition Audio Driver software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify AzMixerSel.exe related errors

Important: Some malware camouflages itself as AzMixerSel.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the AzMixerSel.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

I don't beleive this is dangerous, it is with realtek, and it mixes the songs i beleive, from what i've heard. my friend deleted it, and his music wasn't as good on his pc anymore. if i was you, i'd keep it. but, you dont have to.
it always pops up and says AzMixerSel.exe has encountered a problem and needs to close. We are sorry for the inconvenience. and now my sound doesnt work
RealTek High Definition Audio Sound Check/Mixer.
to cancel this virus
it always pops up and says AzMixerSel.exe has encountered a problem and needs to close. We are sorry for the inconvenience. and now my sound doesnt work
The main RealTek process is RTHDCPL. The Task icon and controls in RealTek Audio Manager relate to it. This process can be disabled without eliminating the sound or the Sound Manager.
azmixersel.exe is a Azalia Mixer Selector\r from Realtek Semiconductor Corp.\r belonging to Realtek Azalia Mixer Selector\r This is usually related to audio drivers support.
This is a RealTek Audio Controller and is intended to be used with compatable sound cards this is not a VIRUS or SPYWARE it is required for RealTek Sound cards to operate properly
on bootin my system pop up "AzMixerSel.exe has encountered a problem and needs to close. We are sorry for the inconvenience." and the sound is slurring, not clear at all
If AzMixerSel.exe has encountered a problem, you need to install the driver of the sound again.
  Nat├ília Zanolli  
i think sound on the PC will not work without this file

Rating chart

Summary: Average user rating of AzMixerSel.exe: based on 21 votes with 11 user comments. 14 users think AzMixerSel.exe is essential for Windows or an installed application. 3 users think it's probably harmless. One user thinks it's neither essential nor dangerous. One user suspects danger. 2 users think AzMixerSel.exe is dangerous and recommend removing it. 2 users don't grade AzMixerSel.exe ("not sure about it").

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Best practices for resolving AzMixerSel issues

A clean and tidy computer is the key requirement for avoiding problems with AzMixerSel. 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 AzMixerSel.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

AzMixerSel.exe [all]