Oh. Tristian Parker… I had the same issue with all the “Nul”. I looked around and found how to fix that.
You have to use a regular expression to make it work
Select Replace (Ctrl & H)
Find what: \x00
Replace with: (leave blank)
Click on Regular expression botton
Click on Replace All
Here’s a link: http://security102.blogspot.com/2010/04/findreplace-of-nul-objects-in-notepad.html