that was because of incorrect /usr folder permissons. I fixed permissons, then, errors fixed mostly.
** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775468 Title: many problems, crash of gdm, apport, ubuntu-bug -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs