Thanks for reporting this. Looks as is you have another service running on same port.
Please can you check that thread: http://stackoverflow.com/questions/9918062/another-mysqld-server-running-on-port-3306-error To see if that helps? Best Yolanda ** Changed in: mysql-5.5 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1196628 Title: package mysql-server-5.5 5.5.31-0ubuntu0.12.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.5/+bug/1196628/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs