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What is msiexec.exe?

Part of Windows Installer - Unicode by Microsoft

What is it?

Microsoft Windows Installer is an installation and configuration service provided with Windows. The installer service enables customers to provide better corporate deployment and provides a standard format for component management. The installer also enables the advertisement of applications and features according to the operating system.
(msiexec.exe is a system file that is installed with Windows)
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How does msiexec.exe run?

Service - msiexec.exe runs as a background Windows service called 'MSIServer' (Instalator Windows). This is a system service that is installed with the Windows operating system and protected with Window's File Protection.

How does msiexec.exe start?

Scheduled task - msiexec.exe is launched automatically by registering itself into the Windows Task Scheduler under the task name '\{5A701793-8CE3-4E27-8C20-821C0BC4326D}'. 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 Installer - Unicode is loaded by:


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the msiexec.exe process running.Of the 0.4% of msiexec.exe users, less than 1% have disabled it.
How resource intensive is msiexec.exe?
Comparison based on the average resource utilization across all programs.
0.08049% CPU804928.0%
Average CPU utilization across all programs is 0.00001%.
          5.71 MB RAM26.5%
Average private memory utilization across all programs is 21.53 MB.
 27 /min1.2%
Average I/O read and write operations for all programs is 2,253 per minute.
         4 GDI objects2.7%
Average number of GUI GDI and USER objects for all programs is 150.
73 context switches/sec73.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:

Are there other versions of Windows Installer - Unicode?

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: msiexec.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Installer - Unicode
Description: Windows® installer
Version: 3.1.4001.5512
Size: 77 KB
Original file name: msiexec.exe
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.1681423196%
Privileged CPU: 0.0876495220%
User CPU: 0.08049279762438%
Privileged CPU time: 500 ms
Privileged CPU time /min: 1 ms
Context switches /sec: 73
Memory utilization averages
Committed memory: 44.06 MB
Peak committed memory: 59.75 MB
Paged memory: 5.71 MB
Peak paged memory: 8.06 MB
Paged system memory: 44.23 KB
Non-paged system memory: 7.26 KB
Working set memory: 9.57 MB
Peak working set memory: 22.35 MB
Min working set memory: 3.01 MB
Private memory: 5.71 MB
Page faults: 4,310
Page faults /min: 12
Process I/O averages
Total read operations: 3,711
Read operations /min: 10
Total read transfer: 15.41 MB
Read transfer /min: 43.55 KB
Total write operations: 6,329
Write operations /min: 17
Total write transfer: 41.32 MB
Write transfer /min: 116.81 KB
Total other operations: 5,863
Other operations /min: 16
Total other transfer: 196.42 KB
Other Transfer /min: 555 Bytes
GUI Object Averages
GDI objects: 4
Handle count average: 247
Thread count average: 8

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 32-bit
Runs as a service: Yes
Parent Processes
Child Process
Process Commands
C:\WINDOWS\system32\msiexec.exe /V
C:\WINDOWS\system32\MsiExec.exe -Embedding D9DF5EC920E9A7D05447C18C74F312B4 C
"C:\WINDOWS\system32\msiexec.exe" /i "C:\Documents and Settings\Dom\Dane aplikacji\Sun\Java\jre1.6.0_17\jre1.6.0_17.msi"

Service details

Name: Instalator Windows
Service name: MSIServer
Service type: Win32ShareProcess
Description: “Dodaje, modyfikuje i usuwa aplikacje dostarczane jako pakiet Instalatora Windows (*.msi). Jeśli ta usługa zostanie wyłączona, wszelkie usługi jawnie od niej zależne przestaną się uruchamiać.”

Scheduled task details

CLSID: {50696451-B3AA-4784-981E-F04E2AA3B1B9}
Command: \{50696451-B3AA-4784-981E-F04E2AA3B1B9}

Network connectivity

Windows Firewall allowed program: Yes

Image hashes

MD5: 294d062d834ed634ea46073a4ca7af39
SHA-1: 7120d44f62c3423810bd38b4a86d3e90151f59d6

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File entropy: 5.93128
File packed: No
Import Table
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