Thanks for reporting this. Please can you check this thread: http://askubuntu.com/questions/330787/samba-error-ubuntu-server-12-04-2
And see if that helps? Seems to be a problem with permissions ** Changed in: samba4 (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/1252609 Title: package samba4 4.0.0~alpha18.dfsg1-4ubuntu2 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 126 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba4/+bug/1252609/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs