What is the installed program "D3DX10" on my Windows 8 computer? Why it is not visible in Control Panel?

"D3DX10" is an installed program on Windows 8 system managed by Windows Installer.

You will not see "D3DX10" 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 "D3DX10" installed program:

Name: D3DX10
Publisher: Microsoft
Size: 2232 KB
Version: 15.4.2368.0902
System Component: 1
Identifying Number: {E09C4DB7-630C-4F06-A631-8EA7239923AF}
Install Location: 
Install Source: C:\Program Files (x86)\Common Files\Windows Live\.cache\9bdcfea01cdcc7e0d\
Install Date: 20121127
Local Package: C:\Windows\Installer\4f45e.msi
Package Name: d3dx10-x86.msi
Uninstall Command: MsiExec.exe /X{E09C4DB7-630C-4F06-A631-8EA7239923AF}
Windows Installer: Yes

It is recommended to keep "D3DX10" as an installed program.

⇒ "DSC/AA Factory Installer" Installed Program on Windows 8

⇐ Hidden Installed Programs using Windows Installer on Windows 8

⇑ Hidden Installed Programs using Windows Installer on Windows 8

⇑⇑ Windows 8 Installed Programs