I find a solution... I don't kwon how i did but i had change users and passwords...
so i try to repair using sudoers and start to work again but with problems, i had install again ubuntu and now no problems. -- help can't change my programs, even install and remove https://bugs.launchpad.net/bugs/234628 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