Hi Ernesto, what version of ubuntu are you running? If you run apt-cache policy apache2-mpm-prefork what do you get?
Also, what are the contents of /etc/apt/sources.list on your machine? -- unmet dependencies https://launchpad.net/bugs/59362 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
