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What is logonui.exe?

Part of Windows Logon UI 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 and enjoy your PC. Speed up Windows Logon UI 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 NT 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.
0.00185% CPU18518.4%
Average CPU utilization across all programs is 0.00001%.
          2.85 MB RAM13.2%
Average private memory utilization across all programs is 21.53 MB.
779 /min34.6%
Average I/O read and write operations for all programs is 2,253 per minute.
48 GDI objects32.0%
Average number of GUI GDI and USER objects for all programs is 150.
     10 context switches/sec10.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:

Are there other versions of Windows Logon UI?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)

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 UI
Description: Microsoft® Windows® Operating System
Version: 6.00.2900.3311 (xpsp.080212-0004)
Product version: 6.00.2900.3311
Size: 502.5 KB
Original file name: LOGONUI.EXE
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0024481922%
Privileged CPU: 0.0005963545%
User CPU: 0.00185183772444%
Privileged CPU time: 4171.88 ms
Privileged CPU time /min: 72 ms
Context switches /sec: 10
Memory utilization averages
Committed memory: 35.44 MB
Peak committed memory: 35.98 MB
Paged memory: 2.85 MB
Peak paged memory: 2.95 MB
Paged system memory: 34.16 KB
Non-paged system memory: 5.31 KB
Working set memory: 3.74 MB
Peak working set memory: 4.97 MB
Min working set memory: 3.34 MB
Private memory: 2.85 MB
Page faults: 5,311
Page faults /min: 92
Process I/O averages
Total read operations: 23,131
Read operations /min: 399
Total read transfer: 1.8 MB
Read transfer /min: 31.85 KB
Total write operations: 22,035
Write operations /min: 380
Total write transfer: 1.51 MB
Write transfer /min: 26.72 KB
Total other operations: 183,951
Other operations /min: 3,173
Total other transfer: 8.61 MB
Other Transfer /min: 152.13 KB
GUI Object Averages
GDI objects: 48
USER objects: 12
Handle count average: 159
Thread count average: 4
Thread resource averages

Process details

Runs as (owner): System
Integrety level: Undefined
Windows platform: 32-bit
Parent Process
Process Command
logonui.exe /status

Image hashes

MD5: 058e71b62e22b23d4613d769684c3686
SHA-1: 9f336fc59bbde5a0efa45a49d000f03e7e5a9768

PE image details

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