Thank you for your bug report. It's likely because the apt update fails because of an external repository like the googletalk one, do you get error if you apt-get update from a command line?
** Changed in: gnome-software (Ubuntu) Importance: Undecided => High ** Changed in: gnome-software (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/1571059 Title: Software center repeatedly ask to download an update. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1571059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs