Wuaclt.exe is the process file for Microsoft Windows Update Client, a software which accesses product and software updates through remote service in another computer. It automatically checks for new Internet Explorer versions, and the new versions of Malicious Software Removal Tool. Wuaclt.exe requires WinHTTP or Microsoft Windows HTTP Services to scan for updates available, and uses the BITS or Background Intelligent Transfer Service to download the updates. The Windows HTTP Services and the BITS run together independent of Internet Explorer. They detect available proxy servers in the particular environment. The Windows Update Client can disable access to the Windows Update to replace it with Microsoft Update access, an expanded version which provides updates for the Internet Explorer and the operating system, as well as for other software running such as Microsoft Office, the Windows Live applications, and the Microsoft Expression Studio. These updates are provided over the Internet connection. However, there is a provision for the updates to be installed in computers even without Internet connection.

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

A process usually a part of an installed application such as Microsoft Windows Update client, 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 wuaclt.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 wuaclt.exe, belongs to, in this case Microsoft Windows Update client