I hope that understand the problem exactly: you open gnome-app-install and then synaptic. afterwards you install a package in synapitc and g-a-i does not update it's app list?
** Changed in: gnome-app-install (Ubuntu) Status: Unconfirmed => Needs Info -- Feature Request: make "add/remove programs" have visibility of synaptic https://launchpad.net/bugs/72932 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs