What is fshoster32.exe?

The genuine fshoster32.exe file is a software component of F-Secure Common Client Foundation by F-Secure.
The F-Secure Common Client Foundation is a repository of host processes that are common between F-Secure applications. Fshoster32.exe is the F-Secure host process for 32-bit Microsoft Windows. This is not an essential Windows process and can be disabled if known to create problems. The F-Secure Common Client Foundation is a group of core processes that make up the backbone of all F-Secure applications. These processes are critical to the functioning of F-Secure programs and may cause errors if disabled. The F-Secure Corporation is a Finnish company that develops solutions in cyber security and online privacy. The company was founded in 1988 as Data Fellows by Petri Allas and Risto Siilasmaa, and started off developing customized databases. F-Secure designed the very first heuristic scanner for antivirus products and the first anti-rootkit technology. The company is currently headquartered in Helsinki, Finland.

FSHoster32 stands for F-Secure Hoster Process (32-bit)

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 fshoster32.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.

Click to Run a Free Scan for fshoster32.exe related errors

Fshoster32.exe file information

Windows Task Manager with fshoster32
Fshoster32.exe process in Windows Task Manager

The process known as F-Secure Host Process belongs to software F-Secure Common Client Foundation or Kabel Deutschland Sicherheitspaket by F-Secure (

Description: Fshoster32.exe is not essential for the Windows OS and causes relatively few problems. The fshoster32.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 183,864 bytes (18% of all occurrences), 188,400 bytes and 12 more variants. 
Fshoster32.exe is certified by a trustworthy company. It is not a Windows core file. The program has no visible window. You can uninstall this program in the Control Panel. The process starts when Windows starts (see Registry key: MACHINE\Run). Therefore the technical security rating is 23% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with fshoster32.exe, you can uninstall the program using the Control Panel ⇒ Uninstall a ProgramF-Secure or Charter Security Suite.

Recommended: Identify fshoster32.exe related errors

Important: Some malware camouflages itself as fshoster32.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the fshoster32.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 keeps coming up when I first turn my computer on,it says cannot find,so I just click on cancel
Just discovered that it came with Charter Security Suite. But you all probably know this.
  Debbie Wolfe  
my Lenovo energy manager reports: fshoster32.exe consuming 65% battery consumption

3 users don't grade fshoster32.exe ("not sure about it").

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Best practices for resolving fshoster32 issues

A clean and tidy computer is the key requirement for avoiding problems with fshoster32. 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 fshoster32.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

fshoster32.exe [all]