What is AVWatchService.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 AVWatchService.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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AVWatchService.exe file information

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

The process known as Preventon AV Watch Service belongs to software Preventon AV Watch Service or AV Watch Service by Preventon Technologies (

Description: AVWatchService.exe is not essential for the Windows OS and causes relatively few problems. The file AVWatchService.exe is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 400,528 bytes (61% of all occurrences), 382,168 bytes and 6 more variants. 
The program is not visible. The file is a Verisign signed file. The file has a digital signature. It is not a Windows core file. File is hidden. AVWatchService.exe is able to monitor applications. Therefore the technical security rating is 65% dangerous.

Uninstalling this variant: In case you experience problems using AVWatchService.exe, you may want to do the following:
  • ask for help from Support
  • uninstall Fighters software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)

Recommended: Identify AVWatchService.exe related errors

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

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

AVWatchService.exe [all]