That sounds like a problem either with your network or that specific mirror of Ubuntu. I'm able to connect to that mirror now. Perhaps you should try switching mirrors or just try again as it may have been a temporary issue with the mirror.
** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1434673 Title: apt-get update 100% [Connecting to tr.archive.ubuntu.com (193.140.100.100)] failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1434673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs