The application cannot be classified as any other type. An application of this type can only be shut down by a forced shutdown.
A Windows application run as a stand-alone process that displays a top-level window.
A Windows application that does not run as a stand-alone process and does not display a top-level window.
The application is a Windows service.
The application is Windows Explorer.
The application is a stand-alone console application.
A system restart is required to complete the installation because a process cannot be shut down. The process cannot be shut down because of the following reasons. The process may be a critical process. The current user may not have permission to shut down the process. The process may belong to the primary installer that started the Restart Manager.