Hello,
Please try to update theme manually via FTP – http://xstore.helpscoutdocs.com/article/63-theme-update and update plugins http://xstore.helpscoutdocs.com/article/37-plugins-update then try to disable all 3-rd party plugins (means the plugins that are not included in the theme package are not in the list of required plugins) and repeat the test. Let us know if you need any further assistance.
Regards
