Possible Duplicate:
How do I fix a “Problem with MergeList” error when trying to do an update?
I click on software center and it opens and closes so i tried to reinstall it in terminal and i get this error how do i fix this ?
Reading package lists... Error!
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_quantal-security_universe_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.