you should report a separate issue about the unity lock/segfault issue, also copying thousand of images work fine usually, unsure what is specific with your system that creates the issue ... does it work better if you copy from a command line or other software?.
** Changed in: nautilus (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574598 Title: Nautilus can't move files (at least images) in a stable way To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1574598/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
