What is sttray64.exe?

The genuine sttray64.exe file is a software component of IDT High-Definition Audio by Tempo Semiconductor, Inc..
Tempo Semiconductor's HD-Audio (and AC-97) audio codec programs originated with Sigmatel, were acquired by IDT in 2006, and are now sold and serviced by Tempo, a non-fabricating private company in Austin, TX, USA. This is the primary executable (of nearly 80 installed modules) for the HD-Audio codec for 64-bit windows. It runs in the system tray notification area. It can be uninstalled in the Control Panel by selecting "IDT Audio" or "Tempo Semiconductor," or consult Tempo's website.

STTray64 stands for SigmaTel System Tray Notification for 64-bit Windows

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 sttray64.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 sttray64.exe related errors

Sttray64.exe file information

Windows Task Manager with sttray64
Sttray64.exe process in Windows Task Manager

The process known as IDT PC Audio or IDT PC Audio TPE or Sigmatel Audio system tray application or sttray64.ex or IDT Audio system tray application

belongs to software IDT Audio or IDT PC Audio or Tempo Semiconductor or C-Major Audio or or Tempo PC Audi

by IDT ( or Tempo Semiconductor or SigmaTel (

Description: Sttray64.exe is not essential for Windows and will often cause problems. Sttray64.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,703,424 bytes (22% of all occurrences), 1,425,408 bytes and 18 more variants. 
The program has no visible window. The file is not a Windows system file. Therefore the technical security rating is 28% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to do the following:
  1) uninstall the program using the Control Panel ⇒ Uninstall a ProgramIDT Audio or Tempo Semiconductor, Inc.
  2) visit the [1][2] website.

Recommended: Identify sttray64.exe related errors

If sttray64.exe is located in the C:\Windows folder, the security rating is 44% dangerous. The file size is 425,984 bytes (40% of all occurrences), 1,425,408 bytes, 424,448 bytes or 322,048 bytes. The program has no visible window. Sttray64.exe is located in the Windows folder, but it is not a Windows core file. The sttray64.exe file is not a Windows core file.

Important: Some malware camouflages itself as sttray64.exe. Therefore, you should check the sttray64.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

sttray64.exe is a process from stsystray.exe by IDT, Inc. and part of IDT Audio.
It is just a equalizer software of your audio chip in your pc and is not needed to startup with windows. If you disable it there will not be a change in your audio.
came with my headset.
  Siebe Woudstra  
causes problems

Summary: Average user rating of sttray64.exe: based on 5 votes with 5 user comments. One user thinks it's probably harmless. 2 users think it's neither essential nor dangerous. One user suspects danger. One user thinks sttray64.exe is dangerous and recommends removing it.

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Best practices for resolving sttray64 issues

A clean and tidy computer is the key requirement for avoiding problems with sttray64. 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 sttray64.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

sttray64.exe [all]