Suggestion from Miro Rep is to delete existing Repo you have for Miro and add a new one copying text from getmiro.com. It worked for me on both laptop and desktop. amd64 is still unsupported.
-- package miro None failed to install/upgrade: trying to overwrite `/usr/share/applications/miro.desktop', which is also in package miro-data https://bugs.launchpad.net/bugs/291388 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