I get the same behaviour on Edgy when using the wine packages in my sources list. Often solved simply by rechecking for updates which then leaves only wine itself as unsigned (which is the expected behaviour).
update-manager 0.44.4 ** Changed in: update-manager (Ubuntu) Status: Needs Info => Confirmed -- All updates show up as "Not Authenticated" when only one is. https://launchpad.net/bugs/31706 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs