Summary: The page highlighted in ‘Thumbnail’ view will not get displayed in ‘Fit in Window’ view. It is the as designed behavior of QuarkXPress.
Solution:
1. The highlighted page in thumbnail view is not the actual selected page as displayed below. You will have to change the page number manually at the bottom left hand side to view it in the Fit in Window view.
2. When you navigate to View>> Fit in Window, QuarkXPress will display the current selected page in Thumbnail view as shown below.
3. However, when you will again change the view to Thumbnail, QuarkXPress will keep the current page of Fit in Window view at the top as shown below-
Current page is Page no. 4 Page no. 4 at the top
(Fit in Window view) (Thumbnail view)