You can only perform a completely silent install of MapInfo Pro when your install process has elevated administrative privileges.
The command-line options /q and /qn do not work when the User Access Control (UAC) is turned on and your install process does not run with elevated administrative privileges. These options turn off the user interface during the installation, which suppresses the Windows UAC. Users must interact with the UAC to provide the necessary credentials to run the installation as an administrator. If the user interface is turned off, the installation is terminated without warning because the UAC cannot gather the appropriate credentials.
To work around the problem, use the /qb option in the command line when you run the silent install. This option gives the installation a basic user interface and allows the UAC to display on the dialog box.
To perform a silent install using the /qb option: