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What does the acs.exe file do?

The acs.exe process is also known as Agnitum Outpost Service or, as the case may be, Ekahau Configuration Service and is a part of Atheros Configuration Service (ACS) or, as the case may be, Outpost Firewall Pro. This software is produced by Atheros or, as the case may be, Agnitum (www.agnitum.com). An obsolete or defective version of acs.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about acs.exe Agnitum Outpost service

acs.exe is not part of Windows, but it is important nonetheless. Acs.exe is found in the C:\Windows\System32 directory. Frequently occurring are file sizes such as 36,864 bytes (26% of all these files), 495,700 bytes as well as 13 other variants.
It is the service "ACS".
This file contains no information about the producer or the version. This acs.exe process does not have a visible window, and does not appear on the taskbar. The file does not come from Microsoft and is not part of the operating system. The file is not a Windows system file, but it is nontheless located in the C:\Windows folder. This acs.exe process is receiving or sending data on the LAN (your local network) or on the Internet. Acs.exe is capable of hide itself from other programs. For this reason, 68% 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 acs.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 acs?

Depends where it is located, Its not a windows sined .exe it dosent belong in c:/windows/system32/...... del it if you want but may be assoaited with freewere or paywere or choclatewere be careful save a backup just in case.
D-LINK wi-fi or Atheros based chips
Justin C.
ACU Configuration Service Atheros Configuration Service
John Brodeur
Atheros chipset configuration used in D-Link wireless LAN
Atheros Configuration Service (further information...)

Summary: 105 users judge acs.exe to be an essential file that should not be touched. 8 users consider it harmless. However, 6 users consider this to be a suspicious process and would like to get rid of it. For this reason, 7 users have already deleted acs.exe. source: file.net

How to uninstall Atheros Configuration Service or Outpost Firewall Pro

To remove Agnitum Outpost service from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate Atheros Configuration Service or Outpost Firewall Pro in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
acs.exe Agnitum Outpost service fix

How to tell if acs.exe (Agnitum Outpost service) 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 Agnitum Outpost service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Agnitum Outpost service 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 acs.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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