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I was using Ubuntu 11.10 with cairo dock version 2.4 without a problem.

Now, after the upgrade via a clean install of Ubuntu 12.04 amd64 with cairo dock 3.x the system freezes and i have to restart. Machine is acer with core i3 2nd generation and 6gb ram. Is this a known bug ? Is there a workaround ?

I am a beginner with Ubuntu

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Have you tried no OpenGL version? – Basharat Sialvi May 6 '12 at 11:43
thanks. did not try . how do I go about this? sorry if that is dumb question. – ragv May 6 '12 at 18:39

Press Super key (Windows key) or click on the dash button (top most button in unity launcher) and search for "cairo-dock", You'll see two Cairo-dock icons, select "Cario-Dock (no OpenGL)"

enter image description here

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Thanks for the wonderful help. Its working now with the no open gl option. – ragv May 9 '12 at 7:41

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