What is FwcAgent.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 FwcAgent.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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FwcAgent.exe file information

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

The process known as Microsoft Firewall Client or Microsoft Firewall Client Agent belongs to software Microsoft Internet Security and Acceleration Server (version 2004) or Forefront TMG Client by Microsoft (

Description: FwcAgent.exe is not essential for the Windows OS and causes relatively few problems. FwcAgent.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 128,832 bytes (50% of all occurrences), 275,424 bytes or 115,544 bytes. 
The program is not visible. The application can be removed using the Control Panel's Add\Remove programs applet. FwcAgent.exe is digitally signed. The FwcAgent.exe file is not a Windows core file. The program listens for or sends data on open ports to a LAN or the Internet. FwcAgent.exe is able to hide itself. Therefore the technical security rating is 31% dangerous.

Uninstalling this variant: You can uninstall the program Forefront TMG Client or Microsoft Firewall Client, update it, or ask the software vendor for help. Go to to update it, go to to contact the vendor, or go to Forefront TMG Client or Microsoft Firewall Client in Windows Control Panel (section Software or Programs) to uninstall it.

Recommended: Identify FwcAgent.exe related errors

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

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

FwcAgent.exe [all]