What is the installed program "Windows Live Communications Platform" on my Windows 8 computer? Why it is not visible in Control Panel?

"Windows Live Communications Platform" is an installed program on Windows 8 system managed by Windows Installer.

You will not see "Windows Live Communications Platform" listed on "uninstall or change a program" in Control Panel, because it is flagged as a hidden system component in the registry (SystemComponent=1).

Information related to "Windows Live Communications Platform" installed program:

Name: Windows Live Communications Platform
Publisher: Microsoft Corporation
Size: 3680 KB
Version: 16.4.3503.0728
System Component: 1
Identifying Number: {BA73469B-D8C7-4FE3-B33C-1340D09F0709}
Install Location: 
Install Source: C:\Program Files (x86)\Common Files\Windows Live\.cache\9b2567521cdcc7e0b\
Install Date: 20121127
Local Package: C:\Windows\Installer\4f458.msi
Package Name: Contacts.msi
Uninstall Command: MsiExec.exe /I{BA73469B-D8C7-4FE3-B33C-1340D09F0709}
Windows Installer: Yes

It is recommended to keep "Windows Live Communications Platform" as an installed program.

⇒ "Windows Live Essentials" Installed Program on Windows 8

⇐ "Shared C Run-time for x64" Installed Program on Windows 8

⇑ Hidden Installed Programs using Windows Installer on Windows 8

⇑⇑ Windows 8 Installed Programs