I am running uniserver 3.5 from a memory stick and it runs fine on xp systems & firefox 3.0.4 with no problems. But when running on firefox 3.0.4, vista home premium 64 bit sp1 the http://localhost/apanel/ displays this error message: Warning: gethostbyaddr() [function.gethostbyaddr]: Address is not in a.b.c.d form in W:\home\admin\www\includes\config.inc.php on line 18 A check of line 18 \Uniform Server\udrive\home\admin\www\includes\config.inc.php found $hname = gethostbyaddr($REMOTE_ADDR); //Not being used nowssssss I can run moodle, phpbb & joomla installs from localhost/filename It is access to the apanel that I lack. I have disabled the vista User Account Control. Any ideas?