What is AntUpdaterService.exe?

The genuine AntUpdaterService.exe file is a software component of Toolbar by
AntUpdaterService.exe is an executable file that belongs to the Toolbar, a program that detects and downloads videos being played in the browser on which it is installed. This is not an essential Windows process and can be disabled if known to create problems. The Toolbar is a browser addon for Opera, Google Chrome and Internet Explorer browsers which acts as a bookmarker, video downloader and online search portal. The program also features the ability to play videos while they are being downloaded and manage ongoing and past downloads. Downloaded videos are stored in the native .FLV format. is an online bookmarking website that lets users save and access online resources through browser extensions created by Bookmarks can be accessed from anywhere and any device. The service also allows users to rate and comment on websites which may be shared through their public profiles.

AntUpdaterService stands for Updater 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 AntUpdaterService.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 AntUpdaterService.exe related errors

AntUpdaterService.exe file information

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

The process known as Updater Service belongs to software Ant Toolbar updater service or ToolBar or IE add-on by (

Description: AntUpdaterService.exe is not essential for the Windows OS and causes relatively few problems. AntUpdaterService.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 520,216 bytes (50% of all occurrences) or 515,096 bytes. 
The program is not visible. It is certified by a trustworthy company. AntUpdaterService.exe is not a Windows system file. AntUpdaterService.exe is able to monitor applications. Therefore the technical security rating is 32% dangerous.

Uninstalling this variant: In case of problems with AntUpdaterService.exe, you can remove the entire program IE add-on using Windows Control Panel.

Recommended: Identify AntUpdaterService.exe related errors

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

A clean and tidy computer is the key requirement for avoiding problems with AntUpdaterService. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the AntUpdaterService.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

AntUpdaterService.exe [all]