Adds, modifies, and removes applications provided as a Windows Installer (*.msi) package. If this service is disabled, any services that explicitly depend on it will fail to start.
This service is required for software applications that install using .msi files. If no applications that you have will install properly or you get an error that involves "RPC Service," place this service in to Automatic or Manual. Only disable this service after you have completed installation of your applications, mainly Office and such. I am not aware how many Games actually use MSI Files. In an idle state, this service uses about 3.4 MB of RAM. Put it to manual to save that amount.
None at this time.
Default XP Pro x64: Manual
Safe Setting: Manual
Service Name (registry): MSIServer
Display Name: Windows Installer
C:\WINDOWS\system32\msiexec.exe /V
Account: Local System Account
What service Windows Installer needs to function properly:
What other service require Windows Installer to function properly:
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Windows Service Configurations!
Includes explanations of each service and advice on which services you can safely disable.