Thanks for taking the time to report this bug and helping to make Ubuntu better. Could you please run:
$ apt-config dump | grep Update Also, could you please check if you have "packagekit" installed? If packagekit is installed, this one is a duplicate of bug #257639 Thank you. ** Changed in: synaptic (Ubuntu) Sourcepackagename: None => synaptic -- update manager reported corrupted update package https://bugs.launchpad.net/bugs/307860 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