VersionsVersions

7.9.9600.17093 (winblue_gdr.140410-1503) 0.85%
7.9.9600.17093 (winblue_gdr.140410-1503) 0.14%
7.9.9600.16384 (winblue_rtm.130821-1623) 0.14%
7.9.9600.16384 (winblue_rtm.130821-1623) 0.28%
7.9.9431.0 (winmain_bluemp.130615-1214) 0.14%
7.9.9431.0 (winmain_bluemp.130615-1214) 0.14%
7.8.9200.16465 (win8_gdr.121126-1503) 0.99%
7.8.9200.16465 (win8_gdr.121126-1503) 0.28%
7.8.9200.16465 (win8_gdr.121126-1503) 0.85%
7.8.9200.16465 (win8_gdr.121126-1503) 0.57%
7.8.9200.16465 (win8_gdr.121126-1503) 0.14%
7.8.9200.16465 (win8_gdr.121126-1503) 0.28%
7.8.9200.16451 (win8_gdr.121105-1502) 0.28%
7.8.9200.16449 (win8_gdr.121101-1706) 0.14%
7.8.9200.16420 (win8_gdr.120919-1813) 0.14%
7.8.9200.16420 (win8_gdr.120919-1813) 0.14%
7.8.9200.16384 (win8_rtm.120725-1247) 0.28%
7.8.9200.16384 (win8_rtm.120725-1247) 0.14%
7.8.8400.0 (winmain_win8rc.120518-1423) 0.14%
7.6.7600.256 (winmain_wtr_wsus3sp2(oobla).120602-1505) 43.04%
7.6.7600.256 (winmain_wtr_wsus3sp2(oobla).120602-1459) 41.90%
7.6.7600.256 (winmain_wtr_wsus3sp2(oobla).120602-1459) 1.42%
7.6.7600.243 (winmain_wtr_wsus3sp2(oobla).110811-1411) 0.71%
7.5.7601.17514 (win7sp1_rtm.101119-1850) 1.28%
7.5.7601.17514 (win7sp1_rtm.101119-1850) 0.43%
7.4.7600.226 (winmain_wtr_wsus3sp2(wmbla).090806-1850) 0.43%
7.4.7600.226 (winmain_wtr_wsus3sp2(wmbla).090806-1834) 1.42%
7.3.7600.16385 (win7_rtm.090713-1255) 1.70%
7.3.7600.16385 (win7_rtm.090713-1255) 0.43%
7.1.6001.65 (Longhorn(wmbla).080123-1638) 0.14%
7.0.6001.18000 (longhorn_rtm.080118-1840) 0.14%
7.0.6000.374 (winmain(wmbla).070416-2057) 0.14%
6.0.6000.16386 (vista_rtm.061101-2205) 0.43%
5.8.0.2694 built by: dnsrv(wmbla) 0.14%
5.8.0.2469 built by: lab01_n(wmbla) 0.14%

Relationships

wuaueng.dll

Windows Update Agent by Microsoft Corporation (Signed)

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

Overview

wuaueng.dll has 35 known versions, the most recent one is 7.9.9600.17093 (winblue_gdr.140410-1503). The average file size is about 2.23 MB. It is an authenticode code-signed executable issued to Microsoft Corporation by the certification authority Microsoft Corporation. This is a .NET Common Language Runtime (CLR) assembly.

What is wuaueng.dll?

If Windows Update or Automatic Updates is turned on, the latest version of the Windows Update Agent will be automatically downloaded and installed on your computer. If you go to Windows Update before it gets installed automatically, you will see a message to install the Windows Update Agent.

About wuaueng.dll (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:wuaueng.dll
Publisher:Microsoft Corporation
Product name:Windows Update Agent
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\wuaueng.dll
Original name:wuaueng.dll.mui
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Monday, April 26, 2010

BehaviorsBehaviors

(Note, the behaviors below are for all versions of wuaueng.dll, select a unique version for details.)
Hosted services
Runs as a shared service under the Windows svcHost
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'
  • Shared name is 'wuauserv'

VersionsAll file variations of wuaueng.dll

MD5SHA-1File size
7e609fbf50774cc5a239420fe34ebb9c f1c80e28355cdbdccedcf15f0f8ecf6183bd9805 3.3 MB
9700baa88e172ad628d352c3ee3e7d4e e1df78386ad47e624241694954d1abcf32d54920 3.3 MB
4442c95d1ebdf238ba045191823a367d 0b4d0d4834a9450f7810dd8c2be22842b6b34cf7 2.7 MB
86d0bf4f792053a50d6ee43dfa5837a5 179930e835d602e130621d3fac36021b93a1b6a8 3.37 MB
7b478481a077259d985983051ef3c6ac ab07069c7c9dbb5a1f3208a13af100ee9dd7519e 3.26 MB
8418bce4853ec1ec59844998064474a6 5f74cca6a8908c93a233046906e4d1ec40844175 3.26 MB
a8484c0cb54db48180fb7ca00f1c3f8f caf67ed3edbf197df43b1f619583ba6bb016439e 3.19 MB
79f95469604b77296346de7db463ea2a cc536a732782c0a1509b165652a0aa7aa0d264a3 3.09 MB
be302babe45ec05995f8dc66e37bbb3d 74bae039b9ef373a7aba99ec610b53da844af22c 3.09 MB
9dec60d4783377097014dfcca31e69f8 7f18b333887e9b5bb457e09e50b31fb26cb91eed 3.12 MB
5ee919b9c3056b399e488a9b253e258a acdae747affafe9b84e30da4ba1b0f6b4cd5d7d8 3.13 MB
311e5e1976e0bd9110a88b93158055d5 586e1a9631418383a2dac205c03b7c46d69de0c9 3.13 MB
f2cf90bbfb637aa2dc3caaf64661ea43 3f5887c9aedadfd167a31203ce8ed6a4fdd7a9bb 3.19 MB
270282f9357ab356300ad9db9f0fd665 5871ff46d9b6a2339af558cd8ce8c2eb4916a4a4 3.19 MB
b2531d18923d5360eab64155a32b51c0 211182dda8ae94d0aa2aa1ae15a3868f8f625809 2.58 MB
69dddaf7bb4d39a4cc928ea434a3e258 611ee81b2b1ed4dc8ac257edebb3ce7148d55f52 3.19 MB
1db46028d06fa2a8e4f81a83b8138057 4233b5bdda793893cef643b8d8ee23f2124696b8 2.58 MB
c80db258c195acbf86ed42b53554eb28 680745e4f2a5f52956c74960e42bc41394282bea 3.17 MB
b686451259f1369c94801a53ad2db1cf 04f272e3b5327cedccb887950651a990979c5e72 2.49 MB
d9ef901dca379cfe914e9fa13b73b4c4 64a55a014a2de34f86f17cfa31c727e270fcd83f 2.32 MB
fc3ec24fce372c89423e015a2ac1a31e 12a8e93523c7f22889a3f8418897c57bfc02046a 1.84 MB
37e17df31e2883f394fabfbc93ac3069 55afc2e88858f90c3b4f7a9a03bac620f86b13ef 22.52 KB
dcb24800bf4616dc2df5d38ed3ef4c27 da7b83c5ab788892018065783719b8101e9ed643 21.99 KB
9df12edbc698b0bc353b3ef84861e430 f0557f4b567b6b83f03dda6f6cfa0ef3ec9033bb 2.31 MB
3026418a50c5b4761befa632cedb7406 0e3cb015db94c7b43371771fba516a6f6ec6a17a 1.83 MB
fb3796754fe00f0bdc87a36f164a5f4d 9b0891bfd8ad67904d29daa6015784b7418afd4d 2.31 MB
6298277b73c77fa99106b271a7525163 25fb0fbdd2f8c3b425af38c2676bbe39a2ed2a9b 1.84 MB
a33408cc036f9c08142b11be5e93f0a1 81550e3722478783b1ec2bbd20f33220aa39855a 1.82 MB
38340204a2d0228f1e87740fc5e554a7 522da24268fec4938e0cbf2f3cbcd59931a14481 2.31 MB
727f02f3b19bab3639e9358ffdd295e0 0cb330e4984102ea996b8d554ba8c1dbae94e0c3 25.34 KB
d79538b67fa641e986855def651e78fe 4712845ba4f94fdfcf279dd31d96de1b84a424cd 1.62 MB
365980da5b43b397542429b0743e6226 a788de3204e0d61cc774f4e5c2d50c5138f78e56 25.34 KB
9397d21939a25da1bd0ed8db5bb3c853 5dbd94573bb07573f97557e4f05b9a78903ba7c1 1.5 MB
b72508649dad03bcb5d708edb1e3e57e 89f46fc1485391e721d5d975f8598935c29e7551 17.96 KB
0732c538e9891714041638f777f368fc 78fc0497dcbde7cfbf7710b3395b271a5391f7dc 18.27 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 42.75%
Windows 7 Ultimate 23.75%
Windows 7 Professional 9.25%
Windows Vista Home Premium 9.25%
Microsoft Windows XP 4.75%
Windows Vista Home Basic 2.50%
Windows 7 Ultimate N 2.00%
Windows 7 Home Basic 1.75%
Windows 7 Starter 1.50%
Windows Vista Business 1.25%
Windows 7 Enterprise 0.75%
Windows Vista Ultimate 0.25%
Windows Vista™ Home Premium 0.25%

Distribution by countryDistribution by country

United States installs about 51.19% of Windows Update Agent.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 23.77%
Hewlett-Packard 17.94%
Toshiba 12.56%
ASUS 12.56%
Acer 9.19%
Sony 5.38%
Lenovo 3.59%
GIGABYTE 2.69%
Intel 2.69%
MSI 1.79%
American Megatrends 1.79%
Samsung 1.57%
Gateway 1.35%
Alienware 1.12%
Medion 0.90%
Compaq 0.45%
NEC 0.45%
Packard Bell 0.22%
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