help! phpadmin error when uploading joomla site to webhost - Joomla! Forum - community, help and support

i'm absolute newbie joomla, webhosting, phpmyadmin, mysql, etc., questions might seem laughable experts. laugh, long me solve problem :-)
i'm experimenting joomla , made test site offline. i'm trying upload site made joomla webhost. followed step step directions in visual guide/tutorial on how upload site webhost. when reached step i'm suppose "import database in server", following error message on phpmyadmin:

error

sql query:

-- -- dumping data table `jos_banner` -- insert `jos_banner` (`bid`, `cid`, `type`, `name`, `alias`, `imptotal`, `impmade`, `clicks`, `imageurl`, `clickurl`, `date`, `showbanner`, `checked_out`, `checked_out_time`, `editor`, `custombannercode`, `catid`, `description`, `sticky`, `ordering`, `publish_up`, `publish_down`, `tags`, `params`) values (1, 1, 'banner', 'osm 1', 'osm-1', 0, 43, 0, 'osmbanner1.png', 'http://www.opensourcematters.org', '2004-07-07 15:31:29', 1, 0, '0000-00-00 00:00:00', '', '', 13, '', 0, 1, '0000-00-00 00:00:00', '0000-00-00 00:00:00', '', ''), (2, 1, 'banner', 'osm 2', 'osm-2', 0, 49, 0, 'osmbanner2.png', 'http://www.opensourcematters.org', '2004-07-07 15:31:29', 1, 0, '0000-00-00 00:00:00', '', '', 13, '', 0, 2, '0000-00-00 00:00:00', '0000-00-00 00:00:00', '', ''), (3, 1, '', 'joomla!', 'joomla', 0, 19, 0, '', 'http://www.joomla.org', '2006-05-29 14:21:28', 1, 0, '0000-00-00 00:00:00', '', '{name}\r\n
\r[...]

mysql said: documentation
#1062 - duplicate entry '1' key 1

i have no idea means , have absolutely no idea how solve this. please help! really appreciate it. looks easy in visual guide. way, i'm using justhost.com webhost.

thanks in advance, looking forward hearing anyone. having sleepless nights on #1062, whatever means :p

if want easy way - suggest joompack.

you can ftp contents of file, run install

or

use kickstart, simple.

it take time install mod, up, , restore, simple.