[support] upgrading from 4.65 to 4.7

dear all, hello. I am attempting to upgrade my website from drupal 4.65 to 4.7 and I am finding some difficulty. here's what I did in details: 1. disabled all the addon modules / blocks. 2 backed up my database. 3. copied the database to another one with a different name. of course coppied both structure and data. 4. coppied the drupal files for 4.7 b3 to a subdirectory. 5. modified the file settings.php to the new database info. and the domain that I am using to point to that subdirectory. 6. ran http://www.atstop.com/update.php but after all this I get a "page not found. the original page is: www.mystop.net the upgraded one is: www.atstop.com any help will be highly appreciated. regards, mohammed.