The problem was resolved based on: http://ph.ubuntuforums.com/showthread.php?p=4480244 and another webpage that i lost
in System-Administration-Network-Hosts i renamed localhost to its original computer name. this step solved the issue. -- Update Manger Crashed During Gusty to hardy Upgrade https://bugs.launchpad.net/bugs/221230 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
