I am using the activex 'slideshow' example to open a presentation from within labview. I am developing a program sequence which requires the same slideshow to be opened repeatedly. Unfortunatley mutliple copies of the presentation are opened as the sequence loops, rather than the same presentation being run over and over. After opening ~45 slideshows my computer crashes as the slideshows are remaining open. Is there any way to close these down after use? I realise that the refnum is being 'closed' in the example program but there is no close method in the respective invoke node. - please help.