found a solution, in the advanced tab change the security settings from auto to RDP and the connection opens without any problem
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/794415 Title: Seg fault on launch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/remmina/+bug/794415/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs