What is S3trayp.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 S3trayp.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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S3trayp.exe file information

Windows Task Manager with S3trayp
S3trayp.exe process in Windows Task Manager

The process known as s3contrl (version (32-bit), (64-bit)) belongs to software Part of (version S3 Screen Toys) by S3 Graphics Co. (

Description: S3trayp.exe is not essential for the Windows OS and causes relatively few problems. S3trayp.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 176,128 bytes (70% of all occurrences), 204,800 bytes, 159,744 bytes or 163,840 bytes. 
There is an icon for this program on the taskbar next to the clock. The file is not a Windows system file. It is a trustworthy file from Microsoft. S3trayp.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 16% dangerous, however you should also read the user reviews.

Recommended: Identify S3trayp.exe related errors

Important: Some malware disguises itself as S3trayp.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the S3trayp.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

S3trayp.exe - Part of S3 Screen Toys from S3 Graphics. Can be disabled.
  Paul   (further information)

Summary: Average user rating of S3trayp.exe: based on 2 votes with 1 user comment. One user thinks S3trayp.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous.

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Best practices for resolving S3trayp issues

A clean and tidy computer is the key requirement for avoiding problems with S3trayp. 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 S3trayp.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

S3trayp.exe [all]