[ubuntu] Unity and other taskbar icons not showing

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http://ubuntuforums.org – I am using 11.10 on a dual boot machine, and recently I was playing around with ccsm(compiz manager). To enable the desktop cube effect, I disabled the Desktop wall plugin. A popup came up, i dont remember exactly but it asked to disable all plugins, and I selected OK. My taskbar vanished and realizing this I enabled the plugin again. Now the unity and all the options from my taskbar are gone! What do I do? Everything including the system settings and the network connections is missing.. (Hardware)