I don't confirm the bug, maybe your mouse is buggy and generates extra click events or there is an xorg bug?
** Changed in: nautilus (Ubuntu) Importance: Undecided => Low Assignee: (unassigned) => Ubuntu Desktop Bugs -- Video player is starting twice when double-clicking on video file https://launchpad.net/bugs/93366 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs