Hi, post your last error from Google Analytics -> General Settings -> Debugging Data.
Last Error: 2014-06-26 12:40:44: exception ‘Google_IOException’ with message ‘HTTP Error: (0) error setting certificate verify locations:
CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
‘ in /home/rumpudha/public_html/site/plugins/google-analytics-dashboard-for-wp/tools/src/io/Google_CurlIO.php:123
Stack trace:
#0 /home/rumpudha/public_html/site/plugins/google-analytics-dashboard-for-wp/tools/src/auth/Google_OAuth2.php(103): Google_CurlIO->makeRequest(Object(Google_HttpRequest))
#1 /home/rumpudha/public_html/site/plugins/google-analytics-dashboard-for-wp/tools/src/Google_Client.php(127): Google_OAuth2->authenticate(Array, ‘4/11dwbejimrUmu…’)
#2 /home/rumpudha/public_html/site/plugins/google-analytics-dashboard-for-wp/admin/ga_dash_settings.php(625): Google_Client->authenticate(‘4/11dwbejimrUmu…’)
#3 [internal function]: GADASH_Settings::general_settings(”)
#4 /home/rumpudha/public_html/wp-includes/plugin.php(470): call_user_func_array(Array, Array)
#5 /home/rumpudha/public_html/wp-admin/admin.php(211): do_action(‘toplevel_page_g…’)
#6 {main}
Ask your hosting provider to check if the certificates are properly installed. The above error may help them.
Also read this: http://wordpress.org/support/topic/fatal-error-after-authentication?replies=5#post-4452742
