What is the installed program "Visual C++ Library ATL Source Package" on my Windows 7 computer? Why it is not visible in Control Panel?

"Visual C++ Library ATL Source Package" is an installed program on Windows 7 system managed by Windows Installer.

You will not see "Visual C++ Library ATL Source Package" 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 "Visual C++ Library ATL Source Package" installed program:

Name: Visual C++ Library ATL Source Package
Publisher: Microsoft Corporation
Size: 20 KB
Version: 14.0.24218
System Component: Yes
Identifying Number: {69C98494-9B94-32FA-AAA7-A4D4A1A9A62E}
Install Location: 
Install Source: C:\ProgramData\Microsoft\VisualStudio\Packages\Microsoft.VisualC.140.ATL.Source.Msi,version=14.0.24218,chip=neutral\
Install Date: 20170730
Local Package: C:\windows\Installer\63ca1a9.msi
Package Name: VC_ATL.Source.msi
Uninstall Command: MsiExec.exe /I{69C98494-9B94-32FA-AAA7-A4D4A1A9A62E}
Windows Installer: Yes

It is recommended to keep "Visual C++ Library ATL Source Package" as an installed program.

⇒ "Visual C++ Library ATL X64 Package" Installed Program on Windows 7

⇐ "Visual C++ Library ATL Headers Package" Installed Program on Windows 7

⇑ Hidden Installed Programs using Windows Installer on Windows 7

⇑⇑ Windows 7 Installed Programs