What is FUJ02E3.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 FUJ02E3.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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FUJ02E3.exe file information

Windows Task Manager with FUJ02E3
FUJ02E3.exe process in Windows Task Manager

The process known as FUJ02E3 Utility belongs to software Fujitsu System Extension or Fujitsu Button Driver Component or Fujitsu System Extension Utility or Admiral Quality Poly-Ana VSTi by FUJITSU LIMITED (

Description: FUJ02E3.exe is not essential for the Windows OS and causes relatively few problems. The file FUJ02E3.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 69,632 bytes (39% of all occurrences), 73,728 bytes and 5 more variants. 
The program has no visible window. The program starts when Windows starts (see Registry key: MACHINE\Run). The file is not a Windows core file. Therefore the technical security rating is 41% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with FUJ02E3.exe, you can also uninstall Fujitsu System Extension Utility or Fujitsu System Extension software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify FUJ02E3.exe related errors

Important: Some malware camouflages itself as FUJ02E3.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the FUJ02E3.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 an important application for Fujitsu computers.
fuj02e3 is a device on the fujitsu laptop
Fujitsu System Utility
    (further information)
Systemkomponente von Fujitsu-Notebook-Boards. Absolut harmlos.
  Udo Schreiber  
Here's the official statement: "Extension to the functions of FUJ02B1. FUJ02E3 works with the System Extension Utility for several features including but not limited to: PCI-Express bus control (power), ability to lock the CD-Drive when tablet computers are in tablet mode. Advanced port-locking features. The ‘System Extension Utility’ has a .dll for communicating with Windows on power management."
  Sam Ferdinand   (further information)

Summary: Average user rating of FUJ02E3.exe: based on 4 votes with 5 user comments. 3 users think FUJ02E3.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user is not sure about it.

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Best practices for resolving FUJ02E3 issues

A clean and tidy computer is the key requirement for avoiding problems with FUJ02E3. 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 FUJ02E3.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

FUJ02E3.exe [all]