VersionsVersions

7.9.9600.17093 (winblue_gdr.140410-1503) 3.57%
7.9.9600.17092 (winblue_gdr.140408-1543) 3.57%
7.9.9431.198 (winmain_bluemp_gdr.130815-1919) 3.57%
7.8.9200.16731 (win8_gdr.131004-1506) 7.14%
7.8.9200.16693 (win8_gdr.130815-1505) 7.14%
7.8.9200.16604 (win8_gdr.130503-1646) 3.57%
7.8.9200.16465 (win8_gdr.121126-1503) 7.14%
7.5.7601.17514 (win7sp1_rtm.101119-1850) 10.71%
7.5.7601.17514 (win7sp1_rtm.101119-1850) 7.14%
7.3.7600.16385 (win7_rtm.090713-1255) 28.57%
5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) 17.86%

Relationships

wuauclt.exe

Windows Update by Microsoft Corporation (Signed)

Remove wuauclt.exe
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

There are 11 versions of wuauclt.exe in the wild, the latest version being 7.9.9600.17093 (winblue_gdr.140410-1503). wuauclt.exe is run as a standard windows process with the logged in user's account privileges. The average file size is about 57.24 KB. The file is a digitally signed and issued to Microsoft Corporation by Microsoft Corporation. During the process's lifecycle, the typical CPU resource utilization is about 0.0004% including both foreground and background operations, the average private memory consumption is about 2.92 MB with the maximum memory reaching around 5.45 MB. Addionally, typically read and write I/O disk operations is about 896 Bytes per minute for reads and 36 Bytes per minute for writes.

What is wuauclt.exe?

Windows Update is a service provided by Microsoft that provides updates for the Microsoft Windows operating system and its installed components, including Internet Explorer. Windows Update can be configured to install critical updates automatically so long as the computer is connected to the Internet, without the user needing to install them manually, or even be aware that an update is required.

About wuauclt.exe (from Microsoft Corporation)

When you turn on automatic updating, most updates will download and install without you having to lift a finger. But sometimes Windows Update will need your input during an installation. In this case,

DetailsDetails

File name:wuauclt.exe
Publisher:Microsoft Corporation
Product name:Windows Update
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\wuauclt.exe
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Tuesday, July 9, 2013

VersionsAll file variations of wuauclt.exe

MD5SHA-1File size
7f15f3e0f847d90eb3a2124258e6b1dc 221acd6ac1c259dbebbaca0489e754780d5adeb8 53.49 KB
ed6a11f4562f89f559243ac87b01dbf4 8cd894c93017526667ce1ce974da5f41e1cd31f1 53.49 KB
d6bf847e328853dcc86c479f1b599942 5d98fb89d8bc895f19886a5dbabe05d2d2879a6b 48.38 KB
aae63132aee6a66a8da6dadb7ec6c28f e91f0e6e879909d58467a267c38f148e7dc1e620 58.02 KB
2c1c2a1aab6b364ad4c10d71bff91b28 6fa81e786e77e02c0cba0ae8cf7293ce979addcd 58.02 KB
77d5a5d7b421ce9946317ccd28dadc8a aef03924c791daa63a295891370c4302280cd89d 50.84 KB
e9ef3fce994c17d2478cb936d43cfba1 79e89ebcf7b012ab807adddb7e837d68f236e72c 56.92 KB
7fbfaa84fe176d9ae932abc585ab68d5 edb8c7910c906f2f78cd34c9d1930195fcc41178 50 KB
75b06acd9d8dc0fe3603294e1899f496 4e83563620c3b34dc523bdd076448343465c1220 46 KB
b0da80ff42a0819d162a86612896aaf2 efd711a9fe6ef3b74c0c287f8e5326e011a00f02 46 KB
4126d27cece4471e00e425411f7306b5 35d9f40a3bf87f8073a70815a6d26e28e7080232 108.5 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 47.83%
Windows 8 17.39%
Windows 8 Pro 8.70%
Windows 7 Home Premium 8.70%
Windows 8.1 Pro with Media Center 4.35%
Windows 8 Single Language 4.35%
Windows 8.1 4.35%
Windows 8.1 Pro Preview 4.35%

Distribution by countryDistribution by country

United States installs about 53.85% of Windows Update.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 26.67%
Lenovo 26.67%
Hewlett-Packard 20.00%
Toshiba 13.33%
Acer 13.33%
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