What is Wuauclt1.exe

Windows Update AutoUpdate Client - Microsoft® Windows® Operating System - Microsoft Corporation

File description

Wuauclt1.exe with description Windows Update AutoUpdate Client is a process file from company Microsoft Corporation belonging to product Microsoft® Windows® Operating System.
The file is digitally signed from Microsoft Windows XP Publisher - VeriSign Time Stamping Services Signer
We do not recommend removing digitally signed files from Microsoft Windows XP Publisher

Automatic startup locations

001 Running Processes
002 Autorun registry entries local machine

Digital signatures found for this file

    Certificate 
1 Microsoft Windows XP Publisher - VeriSign Time Stamping Services Signer

MD5 security rating in our database

4 files (Safe and digitally signed)
All versions of this file in our database are safe.
(Note that this is no guarantee that the file on your computer is safe)
Warning: Some malware might rename itself to wuauclt1.exe. Always make sure that your file is from a verified publisher.

User ratings for this file

File rating: Average rating of wuauclt1.exe: by 4 files and users.

Application errors

Fix wuauclt1.exe application error:  Run a FREE registry scan

User comments

I have wuauclt1.exe in my System32, but it is not signed, as I understand it should be. Its version number is 5.4.3790.5512 and it is 162Kb. I also have wuauclt.exe (7.4.7600.226, 52.2Kb), downloaded at the same time after a clean install of XP (9 July 2010), but that one is signed.


Please add your comments if you have more information about this file or if you know how to solve wuauclt1.exe application errors.


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