Compiz not working and Compiz Options in Fusion Icon greyed out

view story

http://askubuntu.com – I'm having trouble with compiz, since I upgraded to 12.04. I have an nvidia-card (GeForce 9600M GT). In general compiz works, but it has performance issues and rendering problems as in the following screenshot 1, that make usage impossible. http://i.stack.imgur.com/AHK0V.png According to my research the loose-binding option could help solving the problem. Unfortunately this is unavailable to me, as the Compiz Options in the Fusion Icon are greyed out (see screenshot 2: http://i.stack.imgur.com/7XdYG.png). Additionally the command-line argument "--loose-binding" for compiz provokes an error t (HowTos)