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What is LogonUI.exe?

Part of Windows Logon User Interface Host by Microsoft

What is it?

Windows Logon UI (LogonUI.exe) implements the graphical user interface shown when a user is asked to log in to the local machine.
(logonui.exe is a system file that is installed with Windows)
Download Boost (100% FREE) Speed up Windows Logon User Interface Host and optimize your PC.

How does logonui.exe run?

Process - LogonUI.exe is an instance of a running program. This program executes under the SYSTEM account within Windows with extensive privileges on the local computer, and acts as the computer on the network. LogonUI.exe is executed by the process winlogon.exe (Windows Logon Application by Microsoft).


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the logonui.exe process running.Of the 0.1% of logonui.exe users, less than 1% have disabled it.
How resource intensive is LogonUI.exe?
Comparison based on the average resource utilization across all programs.
0.00045% CPU4534.4%
Average CPU utilization across all programs is 0.00001%.
          6.33 MB RAM29.4%
Average private memory utilization across all programs is 21.53 MB.
Typical file (disk image) location:

Are there other versions of Windows Logon User Interface H...?

What else is related?

What Windows OS versions does this run on?

Windows 8.1 Pro (6.2.9200.0)

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: LogonUI.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Logon User Interface Host
Description: Microsoft® Windows® Operating System
Version: 6.3.9600.16384 (winblue_rtm.130821-1623)
Product version: 6.3.9600.16384
Size: 11.5 KB
Original file name: logonui.exe
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0009818474%
Privileged CPU: 0.0005284080%
User CPU: 0.00045343937521%
Privileged CPU time: 4375 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 1,193,123,937
Memory utilization averages
Committed memory: 161.37 MB
Peak committed memory: 161.49 MB
Paged memory: 6.33 MB
Peak paged memory: 6.39 MB
Paged system memory: 367.44 KB
Non-paged system memory: 56.58 KB
Working set memory: 13.01 MB
Peak working set memory: 15.45 MB
Min working set memory: 12.99 MB
Private memory: 6.33 MB
Page faults: 5,694
Page faults /min: 0
Handle count average: 355
Thread count average: 10

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 64-bit
Parent Process
Process Command
"LogonUI.exe" /flagC:0x0

Image hashes

MD5: 3710a8a7508b36ad96a97ce79e17403e
SHA-1: 00e95fd493d6169db28a4dc736173efc135f8391

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File entropy: 5.24460
File packed: No
Import Table
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