I tried it in both 10.10 and 11.04 with the expected results and no problems. Seems to be a local issue. Run the following command and post the output:
which update-manager -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/715517 Title: restart button does nothing in update-manager -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
