grumpycat, are you willing to spend some time on this for hunting down the issue? It may be take some time and may be it will be discontinious.
greetings malchiaros -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1168307 Title: cannot upgrade to v13.04 - ERROR openCache() failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1168307/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs