System.InvalidCastException: Unable to cast object of type 'PoSHVisualizer.PoSHVisualizer' to type 'Microsoft.VisualStudio.DebuggerVisualizers.DialogDebuggerVisualizer'.
at Microsoft.VisualStudio.DebuggerVisualizers.DebugViewerShim.ManagedShim.DelegatedHost.CreateViewer(IntPtr hwnd, HostServicesHelper hsh, SafeProxyWrapper proxy)