Got this on login - tried again and was ok....
Warning: Error while sending QUERY packet. PID=3431 in /home/cooles/public_html/piwik/libs/Zend/Db/Statement/Pdo.php on line 228 Backtrace --> #0 Piwik_ErrorHandler(...) called at [:] #1 PDOStatement->execute(...) called at [/home/cooles/public_html/piwik/libs/Zend/Db/Statement/Pdo.php:228] #2 Zend_Db_Statement_Pdo->_execute(...) called at [/home/cooles/public_html/piwik/libs/Zend/Db/Statement.php:300] #3 Zend_Db_Statement->execute(...) called at [/home/cooles/public_html/piwik/core/Db/Adapter/Pdo/Mysql.php:212] #4 Piwik_Db_Adapter_Pdo_Mysql->query(...) called at [/home/cooles/public_html/piwik/libs/Zend/Db/Adapter/Abstract.php:827] #5 Zend_Db_Adapter_Abstract->fetchOne(...) called at [/home/cooles/public_html/piwik/core/PluginsFunctions/Sql.php:102] #6 Piwik_Sql::fetchOne(...) called at [/home/cooles/public_html/piwik/core/PluginsFunctions/Sql.php:465] #7 Piwik_FetchOne(...) called at [/home/cooles/public_html/piwik/plugins/LanguagesManager/API.php:162] #8 Piwik_LanguagesManager_API->getLanguageForUser(...) called at [/home/cooles/public_html/piwik/plugins/LanguagesManager/LanguagesManager.php:193] #9 Piwik_LanguagesManager::getLanguageFromPreferences(...) called at [/home/cooles/public_html/piwik/plugins/LanguagesManager/LanguagesManager.php:158] #10 Piwik_LanguagesManager::getLanguageCodeForCurrentUser(...) called at [/home/cooles/public_html/piwik/plugins/LanguagesManager/LanguagesManager.php:95] #11 Piwik_LanguagesManager->getLanguagesSelector(...) called at [/home/cooles/public_html/piwik/plugins/LanguagesManager/LanguagesManager.php:66] #12 Piwik_LanguagesManager->showLanguagesSelector(...) called at [:] #13 call_user_func_array(...) called at [/home/cooles/public_html/piwik/libs/Event/Dispatcher.php:284] #14 Event_Dispatcher->postNotification(...) called at [/home/cooles/public_html/piwik/core/PluginsManager.php:674] #15 Piwik_PostEvent(...) called at [/home/cooles/public_html/piwik/core/Menu/Top.php:59] #16 Piwik_Menu_Top->get(...) called at [/home/cooles/public_html/piwik/core/Menu/Top.php:72] #17 Piwik_GetTopMenu(...) called at [/home/cooles/public_html/piwik/core/Controller.php:437] #18 Piwik_Controller->setGeneralVariablesView(...) called at [/home/cooles/public_html/piwik/plugins/CoreHome/Controller.php:58] #19 Piwik_CoreHome_Controller->getDefaultIndexView(...) called at [/home/cooles/public_html/piwik/plugins/CoreHome/Controller.php:91] #20 Piwik_CoreHome_Controller->index(...) called at [:] #21 call_user_func_array(...) called at [/home/cooles/public_html/piwik/core/FrontController.php:125] #22 Piwik_FrontController->dispatch(...) called at [/home/cooles/public_html/piwik/index.php:47]