Wuauclt.exe is the AutoUpdate Client of Windows Update and is used to check for available updates (for the various versions of the MS Windows platform) from Microsoft Update. The wuauclt.exe file is included in the Task Manager’s list of active processes when it is waiting for a response or an action to be performed by the user.
Aside from updating a user’s MS Windows-based system, the wuauclt.exe file also looks for MS Windows-based software and hardware updates. These updates can help a user avoid stability issues and even security risks or system vulnerabilities.
The Automatic update feature embedded on MS Windows can be manually turned on or off and can also be scheduled by the user. The user can proceed to Control Panel and open Automatic Updates in order to access the set of update options provided by this MS Windows utility.