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I seems like i have messed up something with my Ubuntu compiz and I am not able to do anything in either Gnome with effects environment not with Unity environments with effect, the environment for both GNOME and Unity without effects work fine, but still I need to fix so that I can use the one with environment with effects, what should I do ?

also does it has to do something with my display drivers? I have NVidia Graphics card

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up vote 0 down vote accepted

Open Terminal and type

sudo apt-get install --reinstall compiz compiz-core compiz-gnome compiz-plugins-default compiz-plugins-main-default compizconfig-backend-gconf

Then Compiz will be reinstall

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no man , this did not fixed the problem, when I login the one with effects mouse hangs, bar on top doesnt show up properly and menu that has log out freezes when i click on gear icon on top right corner, I rely on keyboard shortcuts to log out that too takes time ... – Ciasto piekarz Jan 10 '13 at 13:41

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