Firstly you can delete "dcfp_auth_lib.php, subscribe.php, showalbums.php, login.php, orderphotos.php" manually if you wish, the error was simply telling you it didn't have permission to do the deleting automatically during the upgrade.
Having to set the permissions to 777 is just to allow the upgrade to do it's work without problems during a setup.
If you have followed the upgrade instructions you would have made backups of your photopost database and your "data" directory (always a good idea) if so have you tried the options in the photopost admin section > 'scan database' > Rebuild all medium images? - remember those permissions (777)
Last edited by b6gm6n; March 3rd, 2005 at 10:43 PM.