just run this command: sudo rm /var/lib/apt/lists/* -vfR
it will remove all the software package with the state of ‘apt-get install‘
and no use to leave them, that‘s ok to just r.m.
other conditons can refer to this article:http://blog.csdn.net/gopain/article/details/13291211
ubuntu:solve the problem of 'E:Problem with MergeList /var/lib/apt/lists/'
原文：http://www.cnblogs.com/rixiang/p/5875929.html
