can any one help me

I am new to elgg but i thing it is the world no . 1 open source php script i had just start working on it i have some problems can any body help me regarding these problems .

i have installed elgg 1.6.1

 How can i enable a widget named site wide wire after installing wire plugin and adding the widget to profile page there the widget display "widget is disabled my administrator " something like that i also disabled cached which result in the site does not load any css and probably the javascript also due which i cannot confirm the widget display message

looking forward to a calm response