Visual Effects not working in ubuntu gutsy.

[David Vincent]

rick wrote:
> Hi.
> I received the error "The Composite Extension is not available" when i
> try to run visual effects under System->Preferences->Apperance.
> 
> Your help will be greatly appreciated.

details like what ubuntu you are running and what your system is like go 
a long way to diagnosing a problem like this.  what's your video 
hardware?  what video drivers are you using?

otherwise here are 15,800 possible answers to your question.

http://www.google.ca/search?q=%22The+Composite+Extension+is+not+available

-d