This exact scenario happened to me today, trying to upgrade from 7.10 to 8.04 beta. As far as I know, I'm not using any un-official packages at all - what should I be looking for?
-- package libnss3-1d None [modified: /var/lib/dpkg/info/libnss3-1d.list] failed to install/upgrade: trying to overwrite `/usr/lib/nss/libfreebl3.so', which is also in package libnss3-0d https://bugs.launchpad.net/bugs/180114 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