safe file


Windows Installer

Scan Your PC for msi.dll related issues!

msi.dll. What is it?

The msi.dll is a Windows Installer.

This file is part of Windows Installer - Unicode. Msi.dll is developed by Microsoft Corporation. It’s a system and hidden file. Msi.dll is usually located in the %SYSTEM% sub-folder and its usual size is 2,843,136 bytes.


The msi.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

We also recommend optimizing your computer.

Computer Speed Up

Select your operating system

General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Windows InstallerPart Of: Windows Installer - UnicodeCommon path(s): subfolder in %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 2,843,136 bytes, 2,160,128 bytes, 2,804,224 bytes, 2,338,304 bytes, 2,085,888 bytes, 2,342,400 bytes, 2,341,376 bytes, 2,342,912 bytes, 2,395,648 bytes, 2,241,536 bytes, 4,445,184 bytes

User opinions

Add your comment

No comments found

Add your comment
Your name:
Your rating:
unrated file
Characters Type the characters you see in the picture:
Show another picture

Scan Your Computer Now