Hi, Have setup XEM 1.8 on Ubuntu 8.04 LTS, using MySQL, Jetty container and Sun Java 5.5 All seems to be relatively well as far as I can tell, can create pages, new wikis, import applications, do a calendar, blog, etc However I cannot add users or groups in the admin panel - I can only login as the default Admin user. On the page http://localhost:8380/xwiki/bin/admin/XWiki/XWikiPreferences?editor=globala… when I enter a new group name - e..g Administrators and click on the create new group button I get a "loading" message what appears to be some sort of script $xwiki.jsfx.use("js/scriptaculous/scriptaculous.js") and then nothing - can wait for hours but no usergroup is ever created. I have the same issue with creating a new user. Then if I go to the "index" quicklink I get the same "loading" message but nothing ever loads. If I go to the tree page it shows me $xwiki.ssfx.use("js/yui/treeview/assets/tree.css") $xwiki.jsfx.use("js/yui/yahoo/yahoo-min.js") $xwiki.jsfx.use("js/yui/treeview/treeview-min.js") $xwiki.jsfx.use("js/yui/treeview/checknode.js") $xwiki.jsfx.use("js/yui/event/event-min.js") $xwiki.jsfx.use("js/yui/connection/connection-min.js") and no tree. How can I fix this? I'm guessing they're related in some way.