What is the installed program "SQL Server 2017 SQL Diagnostics" on my Windows 7 computer? Why it is not visible in Control Panel?

"SQL Server 2017 SQL Diagnostics" is an installed program on Windows 7 system managed by Windows Installer.

You will not see "SQL Server 2017 SQL Diagnostics" 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 "SQL Server 2017 SQL Diagnostics" installed program:

Name: SQL Server 2017 SQL Diagnostics
Publisher: Microsoft Corporation
Size: 516 KB
Version: 14.0.1000.169
System Component: Yes
Identifying Number: {DFA6A906-3024-49DE-87AD-750EAED2FA49}
Install Location: 
Install Source: C:\ProgramData\Package Cache\{DFA6A906-3024-49DE-87AD-750EAED2FA49}v14.0.1000.169\x64\
Install Date: 20171221
Local Package: C:\windows\Installer\5256e1b3.msi
Package Name: sql_diag.msi
Uninstall Command: MsiExec.exe /I{DFA6A906-3024-49DE-87AD-750EAED2FA49}
Windows Installer: Yes

It is recommended to keep "SQL Server 2017 SQL Diagnostics" as an installed program.

⇒ "SQL Server 2017 Shared Management Objects" Installed Program on Windows 7

⇐ "SQL Server 2017 Management Studio Extensions" Installed Program on Windows 7

⇑ Hidden Installed Programs using Windows Installer on Windows 7

⇑⇑ Windows 7 Installed Programs