Locate the new MSI package installation file in Windows Explorer. Click the "Ctrl-C" keys to copy it to the Windows clipboard.

The command may be incorrect or the .msi file in the command line of the policy is incorrectly referenced. Fix Windows Installer Error 1619, Installation of the program failed ...

After you uninstall the program, download a fresh installer setup in a different folder location, then close all programs and run the setup file. 3] Ensure Windows Installer service is enabled ...

What you get is a setup.exe file that also references multiple different .MSI install files for the various 3rd party applications you integrated with GP as part of your "install package".