Shell rebound to complete the process by some services use the system, since most systems have a Microsoft process characteristics, so comes free to kill, antivirus software will default release
Msiexec process utilizing rebound
Msiexec is part of the Windows Installer. Used to install a Windows Installer package (MSI), usually when running Microsoft Update to install updates or part of the software installation appears, take up memory is relatively large. And integrated into Windows 7, Windows 10, etc., in the Windows 10 system, no configuration environment variable can be called directly, very convenient.