phpMyAdmin cfg['Servers'][$i]['users'] ... not OK

go to config.inc.php in xampp(root folder)/phpMyAdmin
open and add this lines

$cfg['Servers'][$i]['users'] = 'pma_users';
$cfg['Servers'][$i]['usergroups'] = 'pma_usergroups';
$cfg['Servers'][$i]['navigationhiding'] = 'pma_navigationhiding';
$cfg['Servers'][$i]['savedsearches'] = 'pma_savedsearches';

in the end of file

then go to http://localhost/phpmyadmin select phpmyadmin database and in top bar menu select SQL and copy this code


-- --------------------------------------------------------

CREATE TABLE IF NOT EXISTS `pma_users` (
  `username` varchar(64) NOT NULL,
  `usergroup` varchar(64) NOT NULL,
  PRIMARY KEY (`username`,`usergroup`)
)
  COMMENT='Users and their assignments to user groups'
  DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;

-- --------------------------------------------------------

CREATE TABLE IF NOT EXISTS `pma_usergroups` (
  `usergroup` varchar(64) NOT NULL,
  `tab` varchar(64) NOT NULL,
  `allowed` enum('Y','N') NOT NULL DEFAULT 'N',
  PRIMARY KEY (`usergroup`,`tab`,`allowed`)
)
  COMMENT='User groups with configured menu items'
  DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;

-- --------------------------------------------------------

CREATE TABLE IF NOT EXISTS `pma_navigationhiding` (
  `username` varchar(64) NOT NULL,
  `item_name` varchar(64) NOT NULL,
  `item_type` varchar(64) NOT NULL,
  `db_name` varchar(64) NOT NULL,
  `table_name` varchar(64) NOT NULL,
  PRIMARY KEY (`username`,`item_name`,`item_type`,`db_name`,`table_name`)
)
  COMMENT='Hidden items of navigation tree'
  DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;

-- --------------------------------------------------------

CREATE TABLE IF NOT EXISTS `pma_savedsearches` (
  `id` int(5) unsigned NOT NULL auto_increment,
  `username` varchar(64) NOT NULL default '',
  `db_name` varchar(64) NOT NULL default '',
  `search_name` varchar(64) NOT NULL default '',
  `search_data` text NOT NULL,
  PRIMARY KEY  (`id`),
  UNIQUE KEY `u_savedsearches_username_dbname` (`username`,`db_name`,`search_name`)
)
  COMMENT='Saved searches'
  DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;

-- --------------------------------------------------------

then click Execute and logout phpmyadmin, and login again!

Fine ;)