I have installed joomla 2.5 and community builder 1.8, the instalção everything went well!
But when I try to access user management the following screen appears!

Warning: Invalid argument supplied for foreach() in C:\Program Files\VertrigoServ\www\Amantes do rock - joomla\administrator\components\com_comprofiler\controller\controller.users.php on line 164
Call Stack
# Time Memory Function Location
1 0.0017 358624 {main}( ) ..\index.php:0
2 1.2715 6153568 JAdministrator->dispatch( ) ..\index.php:46
3 1.2813 6549240 JComponentHelper::renderComponent( ) ..\application.php:153
4 1.2954 6555080 JComponentHelper::executeComponent( ) ..\helper.php:351
5 1.2964 6603584 require_once( 'C:\Program Files\VertrigoServ\www\Amantes do rock - joomla\administrator\components\com_comprofiler\admin.comprofiler.php' ) ..\helper.php:383
6 1.2996 6790552 require( 'C:\Program Files\VertrigoServ\www\Amantes do rock - joomla\administrator\components\com_comprofiler\admin.comprofiler.controller.php' ) ..\admin.comprofiler.php:29
7 1.5731 14096920 CBController_users->showUsers( ) ..\admin.comprofiler.controller.php:152

( ! ) Warning: Invalid argument supplied for foreach() in C:\Program Files\VertrigoServ\www\Amantes do rock - joomla\administrator\components\com_comprofiler\comprofiler.class.php on line 3973
Call Stack
# Time Memory Function Location
1 0.0017 358624 {main}( ) ..\index.php:0
2 1.2715 6153568 JAdministrator->dispatch( ) ..\index.php:46
3 1.2813 6549240 JComponentHelper::renderComponent( ) ..\application.php:153
4 1.2954 6555080 JComponentHelper::executeComponent( ) ..\helper.php:351
5 1.2964 6603584 require_once( 'C:\Program Files\VertrigoServ\www\Amantes do rock - joomla\administrator\components\com_comprofiler\admin.comprofiler.php' ) ..\helper.php:383
6 1.2996 6790552 require( 'C:\Program Files\VertrigoServ\www\Amantes do rock - joomla\administrator\components\com_comprofiler\admin.comprofiler.controller.php' ) ..\admin.comprofiler.php:29
7 1.5731 14096920 CBController_users->showUsers( ) ..\admin.comprofiler.controller.php:152
8 1.7206 18392848 cbTabs->applySearchableContents( ) ..\controller.users.php:172


What's the problem? And how to solve?