What is the installed program "Windows Desktop Extension SDK Contracts" on my Windows 7 computer? Why it is not visible in Control Panel?

"Windows Desktop Extension SDK Contracts" is an installed program on Windows 7 system managed by Windows Installer.

You will not see "Windows Desktop Extension SDK Contracts" 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 Desktop Extension SDK Contracts" installed program:

Name: Windows Desktop Extension SDK Contracts
Publisher: Microsoft Corporation
Size: 460 KB
Version: 10.1.15063.137
System Component: Yes
Identifying Number: {BFBE2E94-0986-07A0-2A86-86A502DE75FE}
Install Location: 
Install Source: C:\ProgramData\Package Cache\{BFBE2E94-0986-07A0-2A86-86A502DE75FE}v10.1.15063.137\Installers\
Install Date: 20170729
Local Package: C:\windows\Installer\1f629d8.msi
Package Name: Windows Desktop Extension SDK Contracts-x86_en-us.msi
Uninstall Command: MsiExec.exe /I{BFBE2E94-0986-07A0-2A86-86A502DE75FE}
Windows Installer: Yes

It is recommended to keep "Windows Desktop Extension SDK Contracts" as an installed program.

⇒ "Windows Espc Package" Installed Program on Windows 7

⇐ "Windows Desktop Extension SDK" Installed Program on Windows 7

⇑ Hidden Installed Programs using Windows Installer on Windows 7

⇑⇑ Windows 7 Installed Programs