I think the problem is the same as https://bugs.launchpad.net/ubuntu/+source/mysql-dfsg-5.1/+bug/522185 I had the same and I fixed it with : sudo killall mysqld sudo /etc/init.d/mysql stop sudo apt-get upgrade
-- package mysql-server-5.1 5.1.37-1ubuntu5 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1 https://bugs.launchpad.net/bugs/585067 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs