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What is FortiESNAC.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 FortiESNAC.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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FortiESNAC.exe file information

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

The process known as FortiClient Network Access Control belongs to software FortiClient by Fortinet (www.fortinet.com).

Description: FortiESNAC.exe is not essential for the Windows OS and causes relatively few problems. The file FortiESNAC.exe is located in a subfolder of "C:\Program Files (x86)" (typically C:\Program Files (x86)\Fortinet\FortiClient\). Known file sizes on Windows 10/8/7/XP are 266,258 bytes (50% of all occurrences), 286,226 bytes, 457,746 bytes, 448,530 bytes or 5,697,344 bytes. https://www.file.net/process/fortiesnac.exe.html 
You can uninstall this program in the Control Panel. The program has no visible window. The FortiESNAC.exe file is not a Windows core file. The application listens for or sends data on open ports to a LAN or the Internet. FortiESNAC.exe is able to monitor applications. Therefore the technical security rating is 37% dangerous.

Uninstalling this variant: If you still experience problems with FortiESNAC.exe, you may also uninstall the software FortiClient using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify FortiESNAC.exe related errors

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

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Best practices for resolving FortiESNAC issues

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

FortiESNAC.exe [all]