Problem solved! By going to Manager Updates > Configuration > Ubuntu Softwares
I have set "main server" in "download from" (I was put on "Server for Belgium") -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/780076 Title: <type 'exceptions.SystemError'>: E:Method has died unexpectedly!, E :Sub-process returned an error code (100), E:Method /usr/lib/apt/methods/ did not start correctly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/780076/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs