What is BFNService.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 BFNService.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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BFNService.exe file information

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

The process known as Qualcomm Atheros Killer Network Manager or Bigfoot Networks Killer Network Manager or Qualcomm Atheros Killer Service or Bigfoot Networks Killer Service belongs to software Qualcomm Atheros Killer Network Manager or Bigfoot Networks Killer Network Manager by Qualcomm Atheros or Bigfoot Networks.

Description: BFNService.exe is not essential for the Windows OS and causes relatively few problems. The file BFNService.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\ or in the "C:\Program Files" folder. Known file sizes on Windows 10/8/7/XP are 490,496 bytes (26% of all occurrences), 492,032 bytes and 10 more variants. 
The file is a file with no information about its developer. The program has no visible window. It is not a Windows system file. The program can be uninstalled in the Control Panel. The application listens for or sends data on open ports to a LAN or the Internet. Therefore the technical security rating is 49% dangerous; however you should also read the user reviews.

Uninstalling this variant: The developer KillerGaming provides a website for help [1][2] and for updates [1][2]. There is also an uninstaller (Control Panel ⇒ Uninstall a Program ⇒ Qualcomm Atheros Killer Network Manager or Bigfoot Networks Killer Network Manager).

Recommended: Identify BFNService.exe related errors

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

It is a file for Qualcomm Atheros Killer Network Manager in order to use the ethernet connection properly.
Quallcomm Atheros Killer Network Manager is a network adapter that allows connection to the internet via Ethernet. It is strongly recommended not to quit this, unless you are not using the internet at the moment.
  XymphosCraK   (further information)

Summary: Average user rating of BFNService.exe: based on 2 votes with 2 user comments. 2 users think BFNService.exe is essential for Windows or an installed application.

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Best practices for resolving BFNService issues

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

BFNService.exe [all]