Same error here, method from #11 fixed it, too. I remember that I had similar problems getting firefox running after updating this particular installation from Hardy to Lucid Alpha Versions, but I can't remember installing any non ubuntu FF packages.
-- [MASTER] package firefox 3.6+nobinonly-0ubuntu1 failed to install/upgrade: update-alternatives: error: alternative path /usr/bin/firefox doesn't exist. https://bugs.launchpad.net/bugs/512937 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