What is SixEngine.exe?

The genuine SixEngine.exe file is a software component of ASUS EPU-6 Engine by ASUS.
ASUS EPU-6 Engine is a power-saving tool that monitors different components to optimize and reduce power usage on ASUS systems. SixEngine.exe launches the ASUS EPU-6 Engine program. This is not an essential Windows process and can be disabled if known to create problems. ASUS EPU-6 Engine is available for ASUS P5Q Series motherboards and is usually pre-installed on systems that ship with this motherboard. EPU-6 features automatic detection and moderation of power to several motherboard components such as the processor, graphics processor, memory, hard drives, chipsets and system fans. 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.

SixEngine stands for ASUS EPU Six Engine

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 SixEngine.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 SixEngine.exe related errors

SixEngine.exe file information

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

The process known as NRB.exe belongs to software Ivalice Launcher (version 16) or rgc:audio Triangle II by ASUSTeK Computer (

Description: SixEngine.exe is not essential for the Windows OS and causes relatively few problems. SixEngine.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 5,964,800 bytes (20% of all occurrences), 5,958,656 bytes and 18 more variants. 
There is no information about the author of the file. The file is not a Windows system file. The program is not visible. SixEngine.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 60% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of problems with SixEngine.exe, you can uninstall Ivalice Launcher Version 16 or rgc:audio Triangle II software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify SixEngine.exe related errors

If SixEngine.exe is located in a subfolder of the user's profile folder, the security rating is 78% dangerous. The file size is 6,038,016 bytes (50% of all occurrences) or 432,640 bytes. There is no file information. The program has no visible window. The file is not a Windows system file. SixEngine.exe is able to record keyboard and mouse inputs and monitor applications.

Important: Some malware camouflages itself as SixEngine.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example Trojan:Win32/Skeeyah.A!rfn or Trojan:Win32/Dynamer!ac (detected by Microsoft), and TROJ_GEN.R00JC0DKQ15 or TROJ_GEN.R01TC0DAH16 (detected by TrendMicro). Therefore, you should check the SixEngine.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

Asus use this for their motherboards
used for asus rampage 2 extreme motherboard. very suspicious
it's Assus EPU engine. To control the energy saving and overcloack
Energie Saver from Asus PQ5 and some Asus GPU´s
  Alex   (further information)
Asus EPU engine. Not harmful.
It is for Monitoring the energy use for ANY ASUS mother board. some come with it some do not. it can be easily uninstalled with no problems, but it is suggested against that due to it helps you in everyway, not harm you at all, yes it is a memory hog on slow machines. that is normal just lower its mode to an easier mode and problem solved.
This is ASUS motherboard firmware. Not harmful.
Seems to be part of ASUS motherboard energy monitor
Caused problems with graphics driver

Rating chart

Summary: Average user rating of SixEngine.exe: based on 8 votes with 9 user comments. 3 users think SixEngine.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 don't grade SixEngine.exe ("not sure about it").

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Best practices for resolving SixEngine issues

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

SixEngine.exe [all]