Thank you for filing this bug. I tried to reproduce it in Xenial, but it seems this behavior is no longer happening and very likely is already fixed, so I'm closing this bug as invalid. This is also a duplicate of 683725.
** Changed in: nautilus (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/686780 Title: USB format opens two nautilus windows To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/686780/+subscriptions -- desktop-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs