[ubuntu] Need to restore my system to its state before crazy uninstall.

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http://ubuntuforums.org – I used synaptic to remove libjpeg-turbo8 and libjpeg-turbo8-dev packages and my system is collapsing before my eyes as I write this. This is unbelievable. Weeks of work is gone. Is there an easy way to undo this, like take my system back to a previous state? Rlease help - Randy (Hardware)