It's very difficult to learn anything of your documents by looking at screenshots only. However, if the problem is with adding content after the endnotes, see
http://word.mvps.org/faqs/formatting...TextAfterNotes.
Note that the article hasn't been updated for recent versions of Word. In Word 2007/2010, do the following to display the Page Setup dialog box: Click the dialog launcher button (the little arrow on the bottom right) of the Page Setup group on the Page Layout tab.