What is YahooAUService.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 YahooAUService.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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YahooAUService.exe file information

The process known as AutoUpater Service Module belongs to software Yahoo! AutoUpdater or Sony on Yahoo! Essentials by Yahoo! (

Description: YahooAUService.exe is not essential for Windows and will often cause problems. YahooAUService.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 602,392 bytes (99% of all occurrences) or 596,716 bytes. 
The program has no visible window. The file is a Verisign signed file. The file has a digital signature. It is not a Windows system file. YahooAUService.exe is able to monitor applications. Therefore the technical security rating is 24% dangerous; however you should also read the user reviews.

Uninstalling this variant: You have the option to remove the entire program Yahoo! Software or Yahoo using Windows Control Panel or get help from the software vendor Yahoo.

Recommended: Identify YahooAUService.exe related errors

If YahooAUService.exe is located in a subfolder of "C:\Program Files\Common Files", the security rating is 42% dangerous. The file size is 65,024 bytes. The program has no visible window. The file is not a Windows system file.

Important: Some malware also uses the file name YahooAUService.exe, for example TROJ_DLOADER.NBE (detected by TrendMicro), and Trojan.Generic.5822247 (detected by BitDefender). Therefore, you should check the YahooAUService.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

YahooAUService.exe represents the Yahoo AutoUpdater for Yahoo Instant Messenger
Uninstall using C:\Program Files\Yahoo!\Autoupdate
Just another memory hog. Don't need it if you don't use messenger
  Greg George  

Summary: Average user rating of YahooAUService.exe: based on 4 votes with 3 user comments. One user thinks it's probably harmless. 2 users think it's neither essential nor dangerous. One user thinks YahooAUService.exe is dangerous and recommends removing it.

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Best practices for resolving YahooAUService issues

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

YahooAUService.exe [all]