This Plugin Just KILLED MY DASHBOARD`

Help please

I just installed this plugin via my wordpress plugin installer and it went to the screenwhere I can choose to activate it.I clicked activate and I got a white screen. NOw no matter what I do I only get a white screen in my dashboard.. no menu on the left.. no nothing. Please help me get my dashboard back.

http://wordpress.org/extend/plugins/wp-stats-dashboard/