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Windows Update Automatic Updates

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wuauclt.exe. What is it?

wuauclt.exe is the AutoUpdate Client of Windows Update and is used to check for available updates (for 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 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. You can go to Control Panel, open Automatic Updates, and customize Windows Update.

Note: Some malware camouflage themselves as wuauclt.exe, particularly if they are located in c:\windows or c:\windows\system32 folder. Thus check the wuauclt.exe process on your pc whether it is pest. Be careful and make sure that wuauclt.exe is not malware.


wuauclt.exe should not be disabled, it is required for essential applications to work properly.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationPart Of: Microsoft® Windows® Operating SystemCommon path(s): %system%\System32\wuauclt.exe
subfolder %WINDOWS%
subfolder %SYSTEM%
File Size: 124,184 bytes (60% of all occurrence), 53,080 bytes, 111,104 bytes, 113,944 bytes, 53,448 bytes, 124,376 bytes, 139,776 bytes

User opinions

wuauclt.exe has the following rating: 2.0
based on 1 user opinions.
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Thank you for your comment!
by Bob on Jun 11, 2009 at 01:44 AM

Seems to be a safe file.

2 | 0
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