Hello,
I want to change some Details of an User but the buttons "Save" and "Save & Close" don't react.
Also there was this Error when i deleted the demo-users:

Fatal error: Call to a member function clear() on a non-object in ...libraries/joomla/table/user.php on line 345

I use the Qickinstall and haven't updated anything in Joomla (because this breaks the template i think).