What is ToolbarUpdaterService.exe?

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 ToolbarUpdaterService.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.

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ToolbarUpdaterService.exe file information

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

The process known as Updater Service for StartNow Toolbar or Updater Service for AMZN or Toolbar Updater Service belongs to software StartNow Toolbar or Amazon Browser Bar or PDFLite Toolbar or FunLink Toolbar or EazelBar by Zugo ( or Browser Distribution Services.

Description: ToolbarUpdaterService.exe is not essential for Windows and will often cause problems. ToolbarUpdaterService.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 267,488 bytes (54% of all occurrences), 244,960 bytes and 7 more variants. 
There is no information about the author of the file. The program is not visible. ToolbarUpdaterService.exe is not a Windows core file. The file has a digital signature. ToolbarUpdaterService.exe is able to monitor applications. Therefore the technical security rating is 54% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software publisher Startnow provides direct support ( or You could uninstall StartNow Toolbar or Amazon Browser Bar from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify ToolbarUpdaterService.exe related errors

Important: Some malware camouflages itself as ToolbarUpdaterService.exe. Therefore, you should check the ToolbarUpdaterService.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

On my PC this is the Amazon Wish List toolbar. Just disable it (in Firefox Tools-Add-ons) ) then remove it.. It is an optional install not malware.
  Sandy Hoyes  

Summary: Average user rating of ToolbarUpdaterService.exe: based on 1 vote with 1 user comment. One user thinks it's neither essential nor dangerous.

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Best practices for resolving ToolbarUpdaterService issues

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

ToolbarUpdaterService.exe [all]