What is "Windows Installer" in my Windows 7 service list? And how is "Windows Installer" service related to msiexec.exe?

"Windows Installer" is a Windows 7 service that "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." "Windows Installer" service is provided by msiexec.exe EXE file.

Detailed information on "Windows Installer" service:

Service name: msiserver
Display name: Windows Installer
Execution command: C:\Windows\system32\msiexec.exe /V
Start type: Automatic
Service status: Stopped
Dependencies:
   Remote Procedure Call (RPC)

"Windows Installer" service is provided by an EXE file called: msiexec.exe:

Name: msiexec.exe
Location: C:\Windows\System32\msiexec.exe
Description: Windows Installer
File version: 6.1.7601.17514
Size: 71.5 KB (73,216 bytes)
Modified: Saturday, November 20, 2010, 7:17:22 AM

Disabling "Windows Installer" service may cause issues when running Windows 7 system.

⇒ "Windows Search - SearchIndexer.exe" Service on Windows 7

⇐ "Volume Shadow Copy - vssvc.exe" Service on Windows 7

⇑ Other System Services on Windows 7

⇑⇑ Windows 7 Services Tutorials