How to remove an acs error
Acs.exe is a executable file (a program) for Windows. The filename extension .exe is the abbreviation for executable. Only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. The free file information forum can help you determine if acs.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.
Acs.exe file information
The process known as Agnitum Outpost Service or Atheros Configuration Service or ACU Configuration Service or D-Link Configuration Service or 802.11 WLAN Configuration Service or Ekahau Configuration Service or Belkin Wireless Utility or Agnitum Client Service
belongs to software Atheros Configuration Service (ACS) or Atheros Configuration Service or ACU Configuration Service or Belkin Wireless Utility or Agnitum Outpost Firewall Pro or NETGEAR Wireless Adapter (version WG311T) or NETGEAR WPN311 Wireless Adapter or NETGEAR Wireless Adapter WPN311 or D-Link Wireless G WNA-1330 or Agnitum Outpost Security
by Atheros or NETGEAR (www.netgear.com) or Agnitum (www.agnitum.com) or Belkin (www.belkin.com) or SMC or TRENDnet or OEM (www.oem.com).
Description: The file acs.exe is located in the folder C:\Windows\System32 or sometimes in a subfolder of C:\Windows.
Known file sizes on Windows 7/XP are 36,864 bytes (71% of all occurrences), 364,629 bytes and 23 more variants.
There is no information about the author of the file. The program is not visible. The file is not a Windows core file. Acs.exe is an unknown file in the Windows folder. Acs.exe is able to hide itself. Therefore the technical security rating is 70% dangerous, however also read the users reviews.
You have the option to do the following:
1) uninstall Outpost Firewall or D-Link RangeBooster from your computer using the Control Panel applet "Add/Remove programs"
2) contact Agnitum Customer Service 
3) search for an update  on the vendor’s website.
Recommended: Identify acs.exe related errors
If acs.exe is located in a subfolder of "C:\Program Files", the security rating is 49% dangerous. The file size is 360,532 bytes (32% of all occurrences), 36,864 bytes and 31 more variants. The program is not visible. The acs.exe file is not a Windows core file. Acs.exe is a file without information about the developer of this file. Acs.exe is able to monitor applications and hide itself.
If acs.exe is located in a subfolder of C:\, the security rating is 49% dangerous. The file size is 360,532 bytes (75% of all occurrences) or 1,474,560 bytes. The program has no visible window. The acs.exe file is not a Windows system file. There is no description of the program. Acs.exe is able to monitor applications.
If acs.exe is located in the folder "C:\Program Files", the security rating is 22% dangerous. The file size is 3,452,792 bytes.
Important: Some malware camouflages itself as acs.exe. Therefore, you should check the acs.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.
Jzee420 (further information)
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.
SpeedUpMyPC scans, cleans, repairs and optimizes your computer.
alg.exe cthelper.exe services.exe acs.exe tpkmpsvc.exe iexplore.exe ctsvccda.exe hpsysdrv.exe acroiefavclient.dll igfxpers.exe wpdshserviceobj.dll [all]