We resolved this issue in version 7.84.1720, patch 4.
Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.
 

Alternative Solution:

 
     
    • Instead of pasting the data directly into a notepad in The Raiser's Edge, click Start, Run on your local desktop.
     
    • In the Open line, enter notepad.
     
    • On the Untitled - Notepad screen, select Edit, Paste to paste the data into Notepad.
     
    • Select Edit, Select All.
       
    • In the Notes field, right-click and select Paste.