I have just had to download the latest version of Draftsight to my new pc. I have copied across old drawings and opened them. When I go to the layout space you can only see half the view, it is like there is an invisible curtain halfway down the viewport. If I grab the components and move them across the drawing disappears behind the 'Curtain'. However if I zoom into the paper space the visible part of the drawing increases in size and when I go to the print setup it visibly shows the whole page with all the components.

It is driving me mad, can anybody out there help?