Running on Kubuntu 12.04.1 LTS apturl isn't working here but I found following workaround
Open the pseudo URL about:config in Firefox Create a new string (right click -> new -> string) and name it network.protocol-handler.app.apt Value /usr/bin/apturl Restart Firefox -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/910385 Title: apt: protocol is not working with Firefox in Kubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/910385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs