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What is explorer.exe?

Part of Windows Explorer by Microsoft

What is it?

Windows Explorer also known as File Explorer, is a file manager application and also a navigation tool that is included with releases of the Microsoft Windows operating system. It provides a graphical user interface for accessing the file systems. It is also the component of the operating system that presents many user interface items on the monitor such as the taskbar and desktop. Located in the C:\Windows directory, it is sometimes referred to as the Windows shell, explorer.exe.
(explorer.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up Windows Explorer and optimize your PC.

How does explorer.exe run?

Process - explorer.exe is an instance of a running program. This 32-bit program executes with the privileges as the currently logged in user account. explorer.exe is executed by the process wudfhost.exe (Windows Driver Foundation - User-mode Driver Framework Host Process by Microsoft).

How does explorer.exe start?

Shell open command - explorer.exe is typically associtated with identifier name of SHCmdFile with and identifier of C:\Windows\explorer.exe. A Shell Open Command allows for an association of a file extension and a program. This association allows an application to be run when the icon or a context menu item is clicked upon in the Windows Explorer window.
Autoplay handler - explorer.exe is typically associtated with identifier name of MSOpenFolder with and identifier of SOFTWARE\Microsoft\Windows\ CurrentVersion\Explorer\AutoplayHandlers\Handlers\MSOpenFolder. Autoplay will scan removable media, when it arrives, looking for media content types (music, graphics, or video). When a removable media arrives, Windows determines what actions to perform by evaluating the content and comparing it to registered handlers for that content. An application will register a handler for Autoplay events associated with a media type.
Scheduled task - explorer.exe is launched automatically by registering itself into the Windows Task Scheduler under the task name '{AD36F1D3-E56E-44BA-A569-280718EB8C51}' and is triggered by the Registration action. Task Scheduler provides the ability to schedule the launch of programs or scripts at pre-defined times or after specified time intervals or even with event-based triggers.
Windows Explorer is loaded by:

Community

What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the explorer.exe process running.Of the 0.4% of explorer.exe users, less than 1% have disabled it.
How stable is Windows Explorer?
Based on crash data discovered by Boost, stability is a measure of how sound this particular process and the average percent of times it crashes.
     explorer.exe0.03%
Typical program1.26%
How resource intensive is explorer.exe?
Comparison based on the average resource utilization across all programs.
0.00440% CPU44011.7%
Average CPU utilization across all programs is 0.00001%.
39.18 MB RAM182.0%
Average private memory utilization across all programs is 21.53 MB.
 45 /min2.0%
Average I/O read and write operations for all programs is 2,253 per minute.
492 GDI objects328.0%
Average number of GUI GDI and USER objects for all programs is 150.
67 context switches/sec67.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\windows\explorer.exe

Are there other versions of Windows Explorer?

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by Windows Explorer.

What else is related?

Windows Explorer Stability

explorer.exe crashes or has encountered a critical error 0.8900% of the time.
1.  
Error: Stopped working (BEX)
Occurred: over 6 months ago
2.  
Error: User canceled a hung navigation. (ShellBrowserCancel)
Details: The user cancelled the navigation after 20 seconds.
Occurred: over 6 months ago
3.  
Error: User canceled a hung navigation. (ShellBrowserCancel)
Details: The user cancelled the navigation after 20 seconds.
Occurred: over 6 months ago

What Windows OS versions does this run on?

Windows 7 Home Premium (6.1.7600.0)
Windows 7 Professional (6.1.7600.0)
Windows 7 Ultimate (6.1.7600.0)
Windows 7 Ultimate N (6.1.7600.0)

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: explorer.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Explorer
Description: Microsoft® Windows® Operating System
Version: 6.1.7600.16385 (win7_rtm.090713-1255)
Product version: 6.1.7600.16385
Size: 2.49 MB
Original file name: EXPLORER.EXE.MUI
Windows file protection: Yes

Digital certificate

Certificate authority: Microsoft Corporation
Expiration date: 7/9/2013

Resource utilization

CPU utilization averages
Total CPU: 0.0115631604%
Privileged CPU: 0.0071619870%
User CPU: 0.00440117339337%
Total CPU time: 1,803 ms
Total CPU time /min: 0 ms
Privileged CPU time: 36884934.69 ms
Privileged CPU time /min: 181 ms
User CPU time: 1120.93 ms
User CPU time /min: 0 ms
CPU cycle count: 165,859,782
CPU cycle count /min: 362,739,543
Context switches /sec: 67
Memory utilization averages
Committed memory: 256.01 MB
Peak committed memory: 334.81 MB
Paged memory: 39.18 MB
Peak paged memory: 77.37 MB
Paged system memory: 403.67 KB
Non-paged system memory: 34.48 KB
Working set memory: 38.03 MB
Peak working set memory: 66.28 MB
Min working set memory: 27.91 MB
Private memory: 39.18 MB
Page faults: 770,684
Page faults /min: 7,828
Process I/O averages
Total read operations: 28,531
Read operations /min: 36
Total read transfer: 70.81 MB
Read transfer /min: 565.95 KB
Total write operations: 19,840
Write operations /min: 9
Total write transfer: 94.19 MB
Write transfer /min: 454.22 KB
Total other operations: 218,246
Other operations /min: 1,833
Total other transfer: 8.45 MB
Other Transfer /min: 55.13 KB
GUI Object Averages
GDI objects: 492
Peak GDI objects: 619
USER objects: 294
Peak USER objects: 403
Resources
Handle count average: 895
Thread count average: 29
Thread resource averages
ntdll.dll
shlwapi.dll
ntdll.dll
pnidui.dll
ole32.dll
explorerframe.dll
msvcr80.dll
winmm.dll
wlanmm.dll
wlanapi.dll
msiltcfg.dll
mmdevapi.dll

Process details

Runs as (owner): User
Integrety level: Medium
Windows platform: 32-bit
System Tray: Yes
Parent Processes
Process Commands
C:\Windows\Explorer.EXE
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
explorer.exe
"C:\Windows\explorer.exe"

Shell open command details

Name: SHCmdFile
Command: C:\Windows\explorer.exe

Autoplay handler details

Name: MSOpenFolderBackup
Command: SOFTWARE\Microsoft\Windows\ CurrentVersion\Explorer\AutoplayHandlers\Handlers\MSOpenFolderBackup

Scheduled task details

CLSID: {AD36F1D3-E56E-44BA-A569-280718EB8C51}
Command: \{AD36F1D3-E56E-44BA-A569-280718EB8C51}

Image hashes

MD5: 15bc38a7492befe831966adb477cf76f
SHA-1: ea97227d34b8526055a543ade7d18587a927f6a3
SHA-256: 80ef843fa78c33b511394a9c7535a9cbace1deb2270e86ee4ad2faffa5b1e7d2

PE image details

Langauge*: Microsoft Visual C++
File entropy: 5.93423
File packed: No
Import Table
advapi32.dll
api-ms-win-core-atoms-l1-1-0.dll
api-ms-win-core-com-l1-1-1.dll
api-ms-win-core-com-private-l1-1-0.dll
api-ms-win-core-datetime-l1-1-1.dll
api-ms-win-core-delayload-l1-1-1.dll
api-ms-win-core-errorhandling-l1-1-1.dll
api-ms-win-core-file-l1-2-1.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-core-heap-obsolete-l1-1-0.dll
api-ms-win-core-interlocked-l1-2-0.dll
api-ms-win-core-io-l1-1-1.dll
api-ms-win-core-job-l2-1-0.dll
api-ms-win-core-kernel32-legacy-l1-1-1.dll
api-ms-win-core-libraryloader-l1-1-1.dll
api-ms-win-core-localization-l1-2-1.dll
api-ms-win-core-localization-obsolete-l1-2-0.dll
api-ms-win-core-memory-l1-1-2.dll
api-ms-win-core-path-l1-1-0.dll
api-ms-win-core-processenvironment-l1-2-0.dll
api-ms-win-core-processthreads-l1-1-2.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-psapi-l1-1-0.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-registry-l2-1-0.dll
api-ms-win-core-registryuserspecific-l1-1-0.dll
api-ms-win-core-shlwapi-legacy-l1-1-0.dll
api-ms-win-core-shlwapi-obsolete-l1-1-0.dll
api-ms-win-core-sidebyside-l1-1-0.dll
api-ms-win-core-string-l1-1-0.dll
api-ms-win-core-string-l2-1-0.dll
api-ms-win-core-string-obsolete-l1-1-0.dll
api-ms-win-core-synch-l1-2-0.dll
api-ms-win-core-sysinfo-l1-2-1.dll
api-ms-win-core-threadpool-l1-2-0.dll
api-ms-win-core-threadpool-legacy-l1-1-0.dll
api-ms-win-core-timezone-l1-1-0.dll
api-ms-win-core-winrt-l1-1-0.dll
api-ms-win-core-winrt-string-l1-1-0.dll
api-ms-win-eventing-classicprovider-l1-1-0.dll
api-ms-win-eventing-controller-l1-1-0.dll
api-ms-win-eventing-provider-l1-1-0.dll
api-ms-win-power-base-l1-1-0.dll
api-ms-win-security-base-l1-2-0.dll
api-ms-win-security-lsalookup-l1-1-1.dll
api-ms-win-service-management-l2-1-0.dll
d3d11.dll
dwmapi.dll
gdi32.dll
gdiplus.dll
kernel32.dll
msvcrt.dll
ntdll.dll
ole32.dll
powrprof.dll
propsys.dll
rpcrt4.dll
secur32.dll
shcore.dll
shell32.dll
shlwapi.dll
slc.dll
sspicli.dll
user32.dll
userenv.dll
uxtheme.dll
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