What is AsSysCtrlService.exe?

The genuine AsSysCtrlService.exe file is a software component of AI Suite II by ASUS.
AI Suite II is a utility program suite that features tools for tweaking the system performance. AsSysCtrlService.exe launches the System Control Service. This is not an essential Windows process and can be disabled if known to create problems. AI Suite II is a collection of freeware utility programs designed to work with the Windows platform. The programs include ASUS System Information, a system diagnostic tool; ASUS PC Probe II, a file manager; ASUS Update, used to keep ASUS components up-to-date; ASUS Fan Xpert, a fan speed tool; and ASUS MyLogo, a logo editor. ASUS is a Chinese personal computer vendor that manufactures everything from desktops and laptops to mobile phones, monitors, optical storage devices, and graphics cards. In 2013, it was the world's fifth largest computer seller, in terms of sales. The company began launching graphics cards in 2005 with their initial PhysX accelerator card. ASUS was founded in Taipei in 1989 by T.H. Tung, Ted Hsu, Wayne Hsieh and M.T. Liao, all previously employed by Acer. The company is currently headquartered in Taipei, Taiwan.

AsSysCtrlService stands for Asus System Control Service

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 AsSysCtrlService.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 AsSysCtrlService.exe related errors

AsSysCtrlService.exe file information

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

The process known as AsSysCtr Application or ASUS System Control Service belongs to software AsSysCtr Application or ASUS System Control Service or My Book Device Driver by ASUSTeK Computer (

Description: AsSysCtrlService.exe is not essential for the Windows OS and causes relatively few problems. The AsSysCtrlService.exe file is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 90,112 bytes (36% of all occurrences), 1,360,016 bytes and 6 more variants. 
The program has no visible window. The file is not a Windows core file. There is no information about the author of the file. AsSysCtrlService.exe is able to monitor applications. Therefore the technical security rating is 51% dangerous, however you should also read the user reviews.

Uninstalling this variant: You have the option to completely remove My Book Device Driver or HDDlife Pro Registrierung (Control Panel ⇒ Uninstall a Program).

Recommended: Identify AsSysCtrlService.exe related errors

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

Ich habe den ASUS AI-Booster (OC) installiert und vermute, dass dafür diese Datei benötigt wird
  R. Gould  
Asus related
  Bob Sayres  
AsSysCtrlService.exe is part of ASUS System Control Service.
processus asus
comodo killswitch have it as unknown therefore unsafe
  William Bull  
Ungefährlich ( Wenn im richtigen ordner versteht sich )
ASUS Motherboard overclock/auto CPU speed and fan control service
  Todd Hanson   (further information)
Turbo Evo Utility service
  Bobby Boberton  
Diese Datei habe ich durch ein Firewall-Tool gesperrt. Hierbei wurde festgestellt, das ständig versucht wird auf eine Verbindung zuzugreifen. Es wird schon viel zu viel geschnüffelt! Betriebssystem läuft auch ohne dieser exe-datei.
ASUS Motherboard overclock/auto CPU speed and fan control service. Highly Recommended!

Rating chart

Summary: Average user rating of AsSysCtrlService.exe: based on 10 votes with 10 user comments. 5 users think AsSysCtrlService.exe is essential for Windows or an installed application. 3 users think it's probably harmless. 2 users think it's neither essential nor dangerous. One user is not sure about it.

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Best practices for resolving AsSysCtrlService issues

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

AsSysCtrlService.exe [all]