Thank you for following up with this answer! I removed the following lines from /var/lib/dpkg/status . the next time I started Software Updater, MySQL was not on the list. When I clicked Install, Software Updater finished successfully. You did it! Thank you so much. I could not have done this without this help.
Status: install ok installed
Maintainer: Ubuntu Developers <firstname.lastname@example.org>
Replaces: mysql-client (<< 5.5.34-0ubuntu0.13.10.1), mysql-client-5.0, mysql-client-core-5.1
Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libreadline6 (>= 6.0), zlib1g (>= 1:1.1.4)
Breaks: mysql-client (<< 5.5.34-0ubuntu0.13.10.1), mysql-client-5.0, mysql-client-core-5.1
Description: MySQL database core client binaries
MySQL is a fast, stable and true multi-user, multi-threaded SQL database
server. SQL (Structured Query Language) is the most popular database query
language in the world. The main goals of MySQL are speed, robustness and
ease of use.
This package includes the core client files, as used by Akonadi.
Original-Maintainer: Debian MySQL Maintainers <email@example.com>