Flash : can't click the allow button
I'm using Ubuntu 11.10, firefox 8, flash player 11 installed by software-center. I found i can't click the settings dialog of flash player. I click on the button but nothing happens.
It's a little similar with http://ubuntuforums.org/showthread.php?t=978212 , however i'm a newbie and don't know how to do it.
Can anyone help me and give a detail?