Atheros Client Utility, which loads through the executable file acu.exe, is part of the software for Atheros chipsets. This file used to be preloaded on Compaq laptops only, but is now being installed as well by other OEMs. The process enables the user to configure their wireless settings for the Atheros wireless network adapter. The software for Atheros chipsets enables the system to communicate with wireless devices that are connected to the computer. The file executes when you are connected to a wireless network. This is essential for Atheros-based network adapters and as such, it is not recommended that the user disable it. The file is published by Atheros Network Communications. If you have the file version 8.0.0.72, the file size should be just around 468.09 KB. This version is compatible with a 32-bit Windows platform. It has a typical disk image location of C:\Program Files\Atheros\acu.exe. There are three known non-system modules loaded by the process: wcapiu.dll, wgapi.dll and oemres.dll.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. acu.exe. is used by Atheros Client Utility, If you shut down acu.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop acu.exe, permanently you need to uninstall the application that runs this process which in this case is Atheros Client Utility, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed acu.exe

A process usually a part of an installed application such as Atheros Client Utility, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if acu.exe. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that acu.exe, belongs to, in this case Atheros Client Utility