What is fnrb32.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 fnrb32.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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Fnrb32.exe file information

The process known as F-Secure Network Request Broker belongs to software F-Secure Management Agent or F-Secure Anti-Virus Client by F-Secure (

Description: Fnrb32.exe is not essential for the Windows OS and causes relatively few problems. Fnrb32.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 110,668 bytes (37% of all occurrences), 110,642 bytes, 151,602 bytes, 162,456 bytes or 110,641 bytes. 
The program has no visible window. Fnrb32.exe is not a Windows system file. Fnrb32.exe is able to hide itself. Therefore the technical security rating is 41% dangerous; however you should also read the user reviews.

Uninstalling this variant: You can uninstall F-Secure Anti-Virus or F-Secure Anti-Virus Client software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify fnrb32.exe related errors

Important: Some malware camouflages itself as fnrb32.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the fnrb32.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

Ist für den Virenscanner FPROT total ungefährlich

Summary: Average user rating of fnrb32.exe: based on 1 vote with 1 user comment. One user thinks fnrb32.exe is essential for Windows or an installed application.

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Best practices for resolving fnrb32 issues

A clean and tidy computer is the key requirement for avoiding problems with fnrb32. 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 fnrb32.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

fnrb32.exe [all]