What does the fsaua.exe file do?
The fsaua.exe process is also known as F-Secure Automatic Update Agent and is a part of F-Secure Automatic Update Agent. This software is produced by F-Secure (www.f-secure.com). An obsolete or defective version of fsaua.exe can cause problems for your computer that can range from slowness to error messages such as these:
- F-Secure Automatic Update Agent has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- F-Secure Automatic Update Agent has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- fsaua.exe has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module fsaua.exe. Read of address 00000000.
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What you should know about fsaua.exe F-Secure Automatic Update Agent
fsaua.exe is not part of Windows, but it is important nonetheless. Fsaua.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 461,408 bytes (33% of all these files), 463,272 bytes, 490,080 bytes, 417,792 bytes or, as the case may be, 450,560 bytes.
The program executes in the background, and can only be terminated using Windows Task Manager. This fsaua program is receiving or sending data on the LAN (your local network) or on the Internet. The fsaua file is not part of the Windows operating system. This file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. It has a digital signature. This confirms that the producer has been registered with a certificate authority.
Fsaua.exe is capable of supervise programs.
For this reason, 46% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves fsaua.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about fsaua?
FSAUA.EXE is a process from Automatic Update Agent by F-Secure Corporation and part of F-Secure Automatic Update Agent. This task keeps virus scanner up to date with the latest virus definitions. Tom |
Summary: One user judges fsaua.exe to be an essential file that should not be touched. source: file.net
How to uninstall F-Secure Automatic Update Agent

To remove F-Secure Automatic Update Agent from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for F-Secure Automatic Update Agent in the list of available programs.
- Click Uninstall.
How to tell if fsaua.exe (F-Secure Automatic Update Agent) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of F-Secure Automatic Update Agent. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for F-Secure Automatic Update Agent or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or fsaua.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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