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Msiexec.exe: What is it and What Does it do?
Installs software or applications that are packaged as .msi files
3 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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If you have ever installed, updated, or uninstalled an application on your computer, you have likely used msiexec.exe, even if you didn’t intentionally run the file or know about it.
Without the msiexec.exe file, youwon’t be able to access the Windows Installer service, which is responsible for performing installation-related tasks.
When you come across the msiexec.exe process running in the background for the first time, and you’re curious about what it is and what it does, this guide is for you.
What is a msiexec EXE file?
Msiexec.exe is an executable file core component of the Microsoft Windows system. It stands forMicrosoft Installer Executionand is responsible for initiating, installing, modifying, and removing software packages that use the Windows Installer technology.
It uses MSI (Microsoft Installer Package) files, which are special database files that hold important information about software packages.
These files hold details about what files to install, registry entries, and instructions for installing andremoving the software. When you run an MSI file or start an installation using a setup program, the msiexec.exe program executes the installation process.
It reads the instructions from the MSI file and performs the necessary actions to install or configure the software on your system. It also supports various command-line options that customize the installation process.
In addition to installations, msiexec.exe performs the tasks of repairing, modifying, or uninstalling software on your computer.
Is msiexec.exe a malware file?
The msiexec.exe file is not malware, and it is considered safe. It is highly unlikely that msiexec.exe would cause any harm to your system. However, malware can target the file to carry out malicious actions, just like any other executable file.
If you want to verify whether the msiexec.exe file is malware, you can check its file location on your computer.
If the file is located elsewhere, it is a trojan masquerading as a system file.
To safely remove the infected file virus, you shouldstart your computer in safe modeand then usereliable antivirus or anti-malware softwareto scan your entire system for any infected files.
Can I delete the msiexec.exe file?
If you try to delete the msiexec.exe file, you won’t be able to do so because you don’t have special permission from TrustedInstaller. However, you cangain permission from TrustedInstallerto delete the file.
In case you kill or delete the file, you won’t be able to install or uninstall apps because this file is necessary for the Windows Installer Package tasks.
Remember, while removing programs,reliable uninstaller softwareis often the best approach since it deletes any leftover files and Registry entries.
Let us know if you have any further questions regarding this file in the comment section below.
More about the topics:Windows 11,Windows Installer
Loredana Harsana
Windows Software Expert
Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and she fell in love with tech of all sorts.
Whenever she’s not at her work desk, you’ll find her enjoying refreshing tea flavors, spilling stories on paper, and listening to the radio.
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Loredana Harsana
Windows Software Expert
Loredana is a tech enthusiast who tackles mobility, privacy, and networking in easy-to follow guides for everyone.
