So when if found (Engine.Detect) that 1.0.0.0 is there, the Command got
Uninstall automatically. But we are invoking our UI dialogs here like:

if(MyViewModel.PState==PackageState.Absent)
       Application.Run(BootStrapDlgs.Welcome_Dlg);  //Let's start with
Welcome Dlg
 else
         Application.Run(BootStrapDlgs.Install_Uninstall_Repair_Dlg);

And I can see that it doesn't do Uninstall, instead it is launching the
Install_Uninstall_Repair_Dlg where Update button is available. However, that
in turn executes Welcome_Dlg of 1.0.0.0 and shows the Install button.

How to make it respect -uninstall and -quite arguments?



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