I've found a solution to my problem. I changed the config file /etc/PackageKit/PackageKit.conf and set the parameter UseNetworkManager=true to UseNetworkManager=false
-- Kpackagekit does not recognize network connection https://bugs.launchpad.net/bugs/571906 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
