[ubuntu] please help - error when updating, E: dpkg was interrupted

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http://ubuntuforums.org – hey wheni go to do updates i am getting E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. E: _cache->open() failed, please report. can someone help me i am new to this computer linux and am not realgood with computers in the first place i need to no what to do to fix this prob please thank u i have linux 11 (Hardware)