I also have been experiencing this issue. I have Ubuntu 14.04 installed on a Laptop a Desktop and also in VirtualBox and they all are having the same problem.
I can copy files to an iomega NAS connected to a Linksys Router but I can not copy files from it. Regardless of what type or size of file that I try and copy from the NAS it fails with the “Software caused connection abort” error. This problem was not present in Ubuntu 12.04, 12.10, 13.04 and 13.10. This error is also not present in Windows 7 or Windows Vista. ** Attachment added: "Screenshot.png" https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1312362/+attachment/4098212/+files/Screenshot.png -- 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/1312362 Title: Can't copy a file from SMB share to the local file system: Software caused connection abort Status in “nautilus” package in Ubuntu: Confirmed Bug description: The error reported is "Software caused connection abort". See the screenshot. It pops up right at the end of the copy operation. This doesn't happen when copying the very same file using a different protocol. Neither does it happen when using another device to copy the very same file over SMB. It worked until the upgrade from 13.10 to 14.04. Also see http://askubuntu.com/questions/450206/how-to-fix-a-software- caused-connection-abort-error-in-ubuntu-14-04 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: nautilus 1:3.10.1-0ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 NonfreeKernelModules: wl nvidia ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CurrentDesktop: Unity Date: Thu Apr 24 20:35:35 2014 ExecutablePath: /usr/bin/nautilus GsettingsChanges: b'org.gnome.nautilus.list-view' b'default-column-order' b"['name', 'size', 'type', 'date_modified', 'date_accessed', 'group', 'where', 'mime_type', 'octal_permissions', 'owner', 'permissions']" InstallationDate: Installed on 2011-10-14 (923 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) ProcEnviron: LANGUAGE=en_US PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: nautilus UpgradeStatus: Upgraded to trusty on 2014-04-19 (5 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1312362/+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