Could you try to type sudo update-manager on the terminal? If this works, does gksudo update-manager ?
Thank you. ** Changed in: ubuntu Status: New => Incomplete -- what a bug. update manager is not recognizing my password https://bugs.launchpad.net/bugs/399501 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