What is FWService.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 FWService.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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FWService.exe file information

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

The process known as StopSign Firewall main module or PC Tools Firewall Plus service belongs to software PC Tools Firewall Plus or StopSign Firewall by eAcceleration ( or PC Tools (

Description: FWService.exe is not essential for the Windows OS and causes relatively few problems. FWService.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 286,000 bytes (21% of all occurrences), 92,056 bytes and 5 more variants. 
The program has no visible window. It is not a Windows core file. It is a Verisign signed file. It is digitally signed. FWService.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 26% dangerous; however you should also read the user reviews.

Uninstalling this variant: You have the option to uninstall PC Tools Firewall Plus or firewall from your computer using the Control Panel applet Uninstall a Program, turn to the software developer, Pctools, for advice or update the program.

Recommended: Identify FWService.exe related errors

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

fwservice.exe is a process from PC Tools Firewall Plus service by PC Tools and part of PC Tools Firewall Plus.

Summary: Average user rating of FWService.exe: based on 1 vote with 1 user comment. One user thinks FWService.exe is essential for Windows or an installed application.

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Best practices for resolving FWService issues

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

FWService.exe [all]