What is the installed program "Microsoft .NET Framework 4.5.2" on my Windows 7 computer? Why it is not visible in Control Panel?

"Microsoft .NET Framework 4.5.2" is an installed program on Windows 7 system managed by Windows Installer.

You will not see "Microsoft .NET Framework 4.5.2" 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 "Microsoft .NET Framework 4.5.2" installed program:

Name: Microsoft .NET Framework 4.5.2
Publisher: Microsoft Corporation
Size: 1503184 KB
Version: 4.5.51209
System Component: 1
Identifying Number: {26784146-6E05-3FF9-9335-786C7C0FB5BE}
Install Location: 
Install Source: D:\777f9c3e403227bc1b19ddc014245902\
Install Date: 20151022
Local Package: C:\Windows\Installer\4c343.msi
Package Name: netfx_Full_GDR_x64.msi
Uninstall Command: MsiExec.exe /X{26784146-6E05-3FF9-9335-786C7C0FB5BE}
Windows Installer: __msi__

It is recommented to keep "Microsoft .NET Framework 4.5.2" as an installed program.

⇒Hidden Installed Programs using Windows Installer on Windows 7

⇒⇒Windows 7 Installed Programs