Button also works first time after performing a 'gksu' to elevate su privileges for any other program, until the gksu timeout occurs. Makes me think it could be due to the 'Update' button not blocking the UI thread until su privileges attained.
-- update-manager "Install Updates" button not functioning https://bugs.launchpad.net/bugs/392073 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