I use fh50.com hosting and it gives me lots of errors ... I used FAQ and found that these php functions are disabled: system, exec, shell_exec, passthru, set_time_limit, error_log, ini_alter, dl, pfsockopen, openlog, syslog, readlink, symlink, link, leak, fsockopen, popen, escapeshellcmd, apache_child_terminate apache_get_modules, apache_get_version, apache_getenv, apache_note,apache_setenv,virtual