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What is wuauclt.exe?

Part of Windows Update Automatic Updates by Microsoft

What is it?

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.
Description of wuauclt.exe from Microsoft
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, you'll see an alert in the notification area at the far right of the taskbar—be sure to click it. If you don't respond to a Windows Update alert, your PC might end up missing an important download.
(wuauclt.exe is a system file that is installed with Windows)
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How does wuauclt.exe run?

Process - wuauclt.exe is an instance of a running program. This 32-bit program executes with the privileges as the currently logged in user account. wuauclt.exe is executed by the process svchost.exe (Host Process for Windows Services by Microsoft).


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the wuauclt.exe process running.Of the 0.1% of wuauclt.exe users, less than 1% have disabled it.
How resource intensive is wuauclt.exe?
Comparison based on the average resource utilization across all programs.
0.00022% CPU2154.9%
Average CPU utilization across all programs is 0.00001%.
          2.74 MB RAM12.7%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
         12 GDI objects8.0%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:

Are there other versions of Windows Update Automatic Updat...?

What else is related?

What Windows OS versions does this run on?

Windows Vista (TM) Home Premium (6.0.6000.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: wuauclt.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Update Automatic Updates
Description: Microsoft® Windows® Operating System
Version: 6.0.6000.16386 (vista_rtm.061101-2205)
Product version: 6.0.6000.16386
Size: 40.5 KB
Original file name: wuauclt.exe
Windows file protection: Yes

Digital certificate

Certificate authority: Microsoft Corporation
Effective date: 1/5/2007
Expiration date: 4/5/2008

Resource utilization

CPU utilization averages
Total CPU: 0.0013517233%
Privileged CPU: 0.0011362355%
User CPU: 0.00021548778546%
Privileged CPU time: 156.25 ms
Privileged CPU time /min: 1 ms
CPU cycle count: 499,983,806
CPU cycle count /min: 1,909,986
Memory utilization averages
Committed memory: 45.86 MB
Peak committed memory: 61.2 MB
Paged memory: 2.74 MB
Peak paged memory: 2.78 MB
Paged system memory: 46.07 KB
Non-paged system memory: 3.61 KB
Working set memory: 246 KB
Peak working set memory: 5.59 MB
Min working set memory: 108 KB
Private memory: 2.74 MB
Page faults: 3,489
Page faults /min: 10
Process I/O averages
Total read operations: 18
Read operations /min: 1
Total read transfer: 29.02 KB
Read transfer /min: 132 Bytes
Total write operations: 12
Write operations /min: 1
Total write transfer: 1.21 KB
Write transfer /min: 4 Bytes
Total other operations: 4,094
Other operations /min: 23
Total other transfer: 28.35 KB
Other Transfer /min: 118 Bytes
GUI Object Averages
GDI objects: 12
USER objects: 6
Handle count average: 192
Thread count average: 2
Thread resource averages

Process details

Runs as (owner): User
Integrety level: Medium
Windows platform: 32-bit
System Tray: Yes
Parent Process
Process Command

Image hashes

MD5: ff81090b6ef1a42a19df226632711d25
SHA-1: f6eda118e4c169c4728cf146d340df08c1437285
SHA-256: 5a1774e1c1dd5c7d515c5236366279b76f9fd504d21fe13142bd63e53f88c4dd

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File entropy: 6.25339
File packed: No
Import Table
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