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What is ACMON.exe?

The genuine ACMON.exe file is a software component of ASUS Splendid Video by ATK (ASUSTeK Computer Inc.).
Acmon.exe is the main executable used to run ASUS Splendid Video, a part of ASUS' Splendid Video Enhancement Technology programs. It is not a core Windows process, but should only be removed in case it is causing problems. ASUS Splendid Video is a freeware utility for ASUS graphic cards and notebooks which improves contrast, brightness and colors such as skin tones (as in Webcam videos) on an LCD display. Press Fn + C on your notebook to open the tool, which is a part of ASUS's so-called Splendid Video Enhancement Technology. The program lets users choose between eight different preset color modes that affect the display's brightness, contrast, color temperature, sharpness, etc. The modes can be further tweaked manually. The program also supports hotkeys shortcuts and provides and OSD (on-screen display) menu. 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.

ACMon stands for ASUS Color Monitor

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 ACMON.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 ACMON.exe related errors

ACMON.exe file information

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

The process known as ACMON belongs to software ASUS Splendid Video Enhancement or ASUS Splendid Video or ATK ACMON or ASUS Splendid ASUSTeK Computer by ATK (www.asus.com) or ASUS (www.asus.com).

Description: ACMON.exe is not essential for Windows and will often cause problems. ACMON.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 684,544 bytes (25% of all occurrences), 851,968 bytes and 24 more variants. http://www.file.net/process/acmon.exe.html 
The file is not a Windows core file. The program is not visible. You can uninstall this program in the Control Panel. Therefore the technical security rating is 32% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you have any problems with ACMON.exe, you may want to safely remove the program using the uninstall program of ASUS Splendid Video Enhancement or ASUS Splendid Video (Control Panel ⇒ Uninstall a Program) or look for help on the www.asus.com.tw website.

Recommended: Identify ACMON.exe related errors

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

Score

User Comments

The process ACMON belongs to the software ASUS Splendid Video by ATK.
  Andrew   (further information)
ACMON.exe is for the ASUS Splendid Video Enhancement
  d   (further information)
acmon.exe is a process from SigmaTel Audio Assistant by SigmaTel and part of SigmaTel Multimedia. This task is responsible for a hardware piece in your system. It offers additional configuration options and support for this device
  Heidi  
free acmon
  GJG  
Asus Compatibility MONitor (ACMON).exe; (ASUS bloatware; see "Splendid" comment above) - I left it on is because I came accross notes referening to ACMON as workaround for issues between some Skype (VOIP/Video) type apps and ASUS... but i could be wrong.
  rmarchetti  
Came installed on Asus laptop when new. Frequently fails to close automatically when shutting down Windows, requiring manual forced shutdown. When terminated at the start of a session, does not appear to have any adverse affects; supposedly related to video, but both viewing and broadcasting video seem unaffected by ending the task via Task Manager at the start of a session.
  John  
it comes installed on the pc it shouldnt be harmless. it says its not closing causing problems with pc hibernation
  kob  
Causes crashes
  Jean-Pierre Baconnet  
ASUS Video Enhancement.
  Nadzlira Myra  
I think it is interfering with my Word 2013,it happens daily, when I want to save a Word page, it gets locked and to get rid of it, I am forced to log out and log in again. Recently the name Acmon, appeared with an S for Skype on my display. I don't have Skype. There is something strange with this Acmon.
  MiaM  
I am reviewing everything that automatically starts at boot time due to the abysmal performance of my Laptop. In addition to that, my 3G USB disk is constantly spinning. I am closing down one program at a time. When I closed this down, my USB drive stopped spinning and just while accessing this web page I can already feel that Firefox is more responsive with fewer mini-pauses. I cannot explain why this program would cause such issues - and I am still suspicious that this may not be the problem. I would recommend stopping this process if you feel comfortable doing so.
  P Rhodes  
it's harmfull app. becoz of out of engine
  faraz ahmad  
Pretty sure it's an integrated Asus program for video optimisation or something. I have an Asus laptop with tablet functionality (recently upgraded from Windows 8 to 10) and ACMON runs in the background. It is one of the most memory-heavy applications that runs without any programs open on my computer. Seeing as I have an NVIDIA GeForce 850M, I don't think that a standard program like ACMON makes any difference at all (and is probably redundant altogether). I'd suggest shutting it off if you have a powerful graphics card of any sort.
  Riley  
Dragging down my Asus thru the mud. Eats 70-90% of my cpu. And causes problems with avast.uninstalld.
   
It has been causing my disc to operate at 100%. As soon as I stopped it from running the computer started running normally.
  P Meijler  
I own an Asus notebook and run ACMON on it. ACMON is trusted, and it impacts performance because it essentially adds another layer of screen processing before the image rendered by your computer gets displayed. If you want your computer to run marginally faster, disable it. If you want your screen to look better, don't.
  George Price  
Seems to cause ASUS laptop to lockup in Outlook, Chrome, Excel, Word. When shut down with task manager problems go away. I have not noticed any adverse effects so far. I can't seem to find where to uninstall it, maybe as mentioned above I'll uninstall the Asus Splendid Video and see what happens. I don't see in comments above that it has any usefulness.
  HWay  
This is for the ASUS Splendid Video Technology, which can also help improve your webcam output as well.
  Michael   (further information)

Rating chart

Summary: Average user rating of ACMON.exe: based on 28 votes with 18 user comments. 7 users think ACMON.exe is essential for Windows or an installed application. 5 users think it's probably harmless. 10 users think it's neither essential nor dangerous. 3 users suspect danger. 3 users think ACMON.exe is dangerous and recommend removing it. 2 users don't grade ACMON.exe ("not sure about it").


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Best practices for resolving ACMON issues

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

ACMON.exe [all]