[Encrypted Files In The Code]

I tried to back up my computer only to find that the backup failed because there were encrypted files on it. The list of files included many like these:

C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\.DS_Store
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\README.txt
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\sql.sql
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\ch01\comments.php
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\ch01\concat.php
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\ch01\constants.php
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\ch01\first.php
C:\Dreamweaver Manual\extracted\ullman books\phpmysql4_scripts\phpmysql4_scripts\ch01\numbers.php

 

And lots more all with ullman books in them. The only reason that I can find is that I have a copy of one of the Ullman books downloaded into my Amazon book reader. I cannot therefor back up my system. The backup is more importamnt than the book content now, but it would be good if I could keep both the code and do a backup.

Does anyone know how to fix this please?