What is InsOnSrv.exe?

The genuine InsOnSrv.exe file is a software component of ASUS InstantOn by ASUSTeK.
InsOnSrv.exe is an executable file that belongs to ASUS InstantOn, an application designed to allow Asus computers to hibernate on a low-power mode. This file is not a critical Windows file and can be removed if known to create problems. InstantOn is an application designed for the Windows platform that lets Asus users keep their computers in a low-power standby mode that lasts up to two weeks. The programs offers two modes - 'Performance' and 'Battery' which save power according to user preference. 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.

InsOnSrv stands for ASUS InstantOn 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 InsOnSrv.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 InsOnSrv.exe related errors

InsOnSrv.exe file information

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

The process known as ASUS InstantOn Program belongs to software InstantOn for NB or ASUS InstantOn or InstantOn for EPC or ASUS Power4Gear Hybrid by ASUS (

Description: InsOnSrv.exe is not essential for the Windows OS and causes relatively few problems. The InsOnSrv.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 277,120 bytes (90% of all occurrences), 92,800 bytes or 105,088 bytes. 
The program has no visible window. The file has a digital signature. The file is not a Windows system file. It is a Verisign signed file. The program can be uninstalled in the Control Panel. InsOnSrv.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 9% dangerous.

Uninstalling this variant: In the event of any problems with InsOnSrv.exe, you can also do the following:
  1) uninstall InstantOn for NB or ASUS Power4Gear Hybrid software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)
  2) ask Customer Support to assist you.

Recommended: Identify InsOnSrv.exe related errors

If InsOnSrv.exe is located in a subfolder of "C:\Program Files\Common Files", the security rating is 32% dangerous. The file size is 64,128 bytes. The program can be uninstalled in the Control Panel. It can change the behavior of other programs or manipulate other programs. The program is not visible. The file is a Verisign signed file. The file has a digital signature. The file is not a Windows system file.

Uninstalling this variant: In the event of any problems with InsOnSrv.exe, you can also uninstall InstantOn software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

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


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Best practices for resolving InsOnSrv issues

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

InsOnSrv.exe [all]