There may have been some errors during setup. Here is the error listing:
ERROR: Could not create /public_html/dcforum/User_files directory. Please check and make sure $maindir (currently set to "/public_html/dcforum") exists and is defined correctly. Also make sure that this directory is set to 777.
Please check and make sure that all files and directories have been created. You can verify this by browsing your web site directory using your FTP program. Once you've verified your settings, please run dcadmin.pl again.