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I recently upgraded my Ubuntu dist to 13.04 (from 12.10), after the upgrade when i log in my desktop isn't loading unity. I can access my Terminal (through Ctrl+Alt+T) and most apps through it, i tried reseting Compiz with no success, and even tried reinstalling my graphics card driver (AMD ATI Catalyst Radeon HD 4800), but it can't install because it says it's missing a module (/lib/modules/3.8.0-22-generic/build/include/linux/version.h) Anyone can give me a hand to recover my Desktop?

Thanks in advance

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I am also facing the same issue. I went through many websites, and found that unity --replace might help. Try this if it recovers for you, its not recovering for me.

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