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What is logon.scr?

Part of Logon Screen Saver by Microsoft

Description of logon.scr from Microsoft
When you start Windows, you may be presented with the Windows XP welcome screen, which prompts you click your user name to begin, or you may be presented with a Welcome to Windows dialog box that prompts you to press CTRL+ALT+DEL to log on. By default, if you do not press a key for 10 minutes, the Windows logon screen saver (Logon.scr) starts.
(logon.scr is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up Logon Screen Saver and optimize your PC.

How does logon.scr run?

Process - logon.scr is an instance of a running program. This 32-bit program executes with the privileges as the currently logged in user account. logon.scr is executed by the process winlogon.exe (Windows NT Logon Application by Microsoft).

How does logon.scr start?

Screensaver - A screensaver is a type of computer program initially designed to prevent burn-in on CRT and plasma monitors by blanking the screen or filling it with moving images or patterns when the computer is not in use. Contemporary screensavers are used primarily for entertainment or security.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the logon.scr process running.Of the 0.1% of logon.scr users, less than 1% have disabled it.
How resource intensive is logon.scr?
Comparison based on the average resource utilization across all programs.
0.00008% CPU829.8%
Average CPU utilization across all programs is 0.00001%.
     648 KB RAM2.9%
Average private memory utilization across all programs is 21.53 MB.
         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 Logon Screen Saver?

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: logon.scr
Publisher: Microsoft Corporation (verified)
Name: Logon Screen Saver
Description: Microsoft® Windows® Operating System
Version: 5.1.2600.5512 (xpsp.080413-2105)
Product version: 5.1.2600.5512
Size: 215.5 KB
Original file name: logon
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0003319255%
Privileged CPU: 0.0002489441%
User CPU: 0.00008298137353%
Privileged CPU time: 93.75 ms
Privileged CPU time /min: 0 ms
Memory utilization averages
Committed memory: 17.49 MB
Peak committed memory: 17.95 MB
Paged memory: 648 KB
Peak paged memory: 648 KB
Paged system memory: 35.19 KB
Non-paged system memory: 1.91 KB
Working set memory: 2.18 MB
Peak working set memory: 2.18 MB
Min working set memory: 2.18 MB
Private memory: 648 KB
Page faults: 563
Page faults /min: 0
Process I/O averages
Total read operations: 2
Total read transfer: 15.15 KB
Total other operations: 203
Total other transfer: 107.8 KB
GUI Object Averages
GDI objects: 12
USER objects: 2
Handle count average: 17
Thread count average: 1
Thread resource averages

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 32-bit
Parent Process
Process Command
C:\WINDOWS\System32\logon.scr /s

Screensaver details

Name: logon.scr

Image hashes

MD5: c692e9f937a9dd03d08db6fdc3bdfe87
SHA-1: 48b3167c3346c763cb12368ea9ba265e585213e7

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File entropy: 4.08296
File packed: No
Import Table
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