Thnaks for your response. I do not see test printed. I am running Windows XP, SP3, and using vtk 5.6.0. -- View this message in context: http://vtk.1045678.n5.nabble.com/Closing-RenderWindow-closes-application-tp3234891p3236453.html Sent from the VTK - Users mailing list archive at Nabble.com.