@Alexandros, what desktop environment do you use? It's a setting for that and it's disable by default under unity, see bug #1532370
** Changed in: nautilus (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1301083 Title: Drag and Drop File Auto Opens Folders Status in nautilus package in Ubuntu: Fix Released Bug description: When dragging and dropping a file, if the mouse hovers over a folder for a split second, the folder opens. This behaviour is quite jarring. Whether or not you intended to drop into that folder, you may not have intended to open that folder. The hover time can't be set. And the behaviour can't be disabled. It's a very significant usability issue for Ubuntu 13.10. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: nautilus 1:3.8.2-0ubuntu2.2 ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4 Uname: Linux 3.11.0-18-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 Date: Tue Apr 1 20:21:16 2014 GsettingsChanges: b'org.gnome.nautilus.window-state' b'geometry' b"'1144x859+1331+77'" b'org.gnome.nautilus.window-state' b'sidebar-width' b'140' InstallationDate: Installed on 2014-03-18 (14 days ago) InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no username) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: nautilus UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1301083/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp