Here's a patch I don't have 100% confidence in although it does work. I'm cautious because of the work done to fix bug https://bugs.launchpad.net/ubuntu/+source/ubuntu-release- upgrader/+bug/1212025.
** Patch added: "bug-1309447.patch" https://bugs.launchpad.net/ubuntu/+source/apt-clone/+bug/1309447/+attachment/4087775/+files/bug-1309447.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1309447 Title: Unicode decode error during upgrade to 14.04 if sources.list contains non-ascii characters and locale is non-US To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-clone/+bug/1309447/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs