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wuauclt - wuauclt.exe

This is the Windows Update client (Windows Update AutoUpdate Client by its full name), which connects to the Microsoft website to download and install the latest updates for the Windows operating system.

Don't terminate this process unless you don't want to install any updates, or you want to install them manually.

There are also cases in which wuauclt.exe can be a virus, as many disguise under this name to fool the user.
Compare the information of the file on your system with the information below (path, size, version) to see if you have the genuine version.


Common problems:

» Error Message When You Browse the Web: Wuauclt.exe Has Caused an Error in Wuv31s.dll

» Error Message: WUAUCLT Has Caused an Error in



Author: Microsoft Corporation
Version: 5.4.3790.2182 on Windows XP SP2
File size: 113,944 bytes on Windows XP SP2
Typical location: C:\Windows\system32\wuauclt.exe
System process: Yes
Requires network: No
Requires internet: Yes
Security threat: No


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