VersionsVersions

7.9.9600.17093 (winblue_gdr.140410-1503) 0.24%
7.9.9600.17092 (winblue_gdr.140408-1543) 0.24%
7.9.9431.198 (winmain_bluemp_gdr.130815-1919) 0.24%
7.8.9200.16731 (win8_gdr.131004-1506) 0.48%
7.8.9200.16693 (win8_gdr.130815-1505) 0.48%
7.8.9200.16604 (win8_gdr.130503-1646) 0.24%
7.8.9200.16465 (win8_gdr.121126-1503) 0.48%
7.8.9200.16449 (win8_gdr.121101-1706) 0.24%
7.8.9200.16384 (win8_rtm.120725-1247) 0.48%
7.6.7600.256 (winmain_wtr_wsus3sp2(oobla).120602-1505) 39.47%
7.6.7600.256 (winmain_wtr_wsus3sp2(oobla).120602-1459) 43.78%
7.6.7600.256 (winmain_wtr_wsus3sp2(oobla).120602-1459) 0.24%
7.5.7601.17514 (win7sp1_rtm.101119-1850) 0.72%
7.5.7601.17514 (win7sp1_rtm.101119-1850) 0.48%
7.4.7600.226 (winmain_wtr_wsus3sp2(wmbla).090806-1850) 0.24%
7.4.7600.226 (winmain_wtr_wsus3sp2(wmbla).090806-1834) 7.66%
7.3.7600.16385 (win7_rtm.090713-1255) 1.91%
7.3.7600.16384 (win7_rtm.090710-1945) 0.24%
7.0.6000.381 (winmain(wmbla).070730-1740) 0.48%
6.0.6000.16386 (vista_rtm.061101-2205) 0.48%
5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) 1.20%

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

wuauclt.exe has 21 known versions, the most recent one is 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 56.06 KB. It is an authenticode code-signed executable issued to Microsoft Corporation by the certification authority Microsoft Corporation. During the process's lifecycle, the typical CPU resource utilization is less than 0.01%, the average private memory consumption is about 2.88 MB with the maximum memory reaching around 7.56 MB. Addionally, typically read and write I/O disk operations is about 3.8 KB per minute for reads and 540 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
e674467b5241d18da55044ebfd144f62 2a22c5d21359c4e7cd88107c5e4493386ac5311e 56.92 KB
1a40d88e8a6acfb062fa7d57bfe14a24 f082d1a0053605c292d24010ccd9b45bd5ce18ee 55.92 KB
c1c03ea437edda8a7d4d8786e5ae6751 883d5312d7f6bf03ab56761ff110784e4ba2edec 56.52 KB
2e0b0a051ffaa86e358465bb0880d453 5f57258ab4137f58d499aa98645c7bace28fd573 52.52 KB
a035cd3daadf21882b961da0b3d06008 85df38213cb37060b19a60c2d9ee89d469b7bc6c 79.02 KB
7fbfaa84fe176d9ae932abc585ab68d5 edb8c7910c906f2f78cd34c9d1930195fcc41178 50 KB
75b06acd9d8dc0fe3603294e1899f496 4e83563620c3b34dc523bdd076448343465c1220 46 KB
0caf9b387cc42fc365626003e0751937 182303bc881d927186ad849bebd9c139d422072e 56.21 KB
62bb79160f86cd962f312c68c6239bfd c2de8148e1a8e8f097e3a40232ddb04efd0a7cc6 52.22 KB
b0da80ff42a0819d162a86612896aaf2 efd711a9fe6ef3b74c0c287f8e5326e011a00f02 46 KB
321b299b211f0e7cae3086b097a52fb2 730ceb95b4623ebfffccef9879eb192ea8b212c7 46 KB
f3e9065eb617a7e3a832a7976bfa021b 42262216cce49ee322d571d270abffcfdce55e6d 51.84 KB
ff81090b6ef1a42a19df226632711d25 f6eda118e4c169c4728cf146d340df08c1437285 40.5 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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