I'm facing the exactly same behavior on Ubuntu 16.04 since a few days. Reset as described by Alex N. didn't fix it.
-- 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/1574614 Title: Losing focus when trying to rename file or folder Status in nautilus package in Ubuntu: Invalid Bug description: Nautilus is losing focus when i try to rename a file or folder: Steps to reproduce: - Open Nautilus - Go to Home - Highlight a folder, e.g. "Pictures" - Press F2 or right click "Rename..." - Press any key -> Focus lost ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: nautilus 1:3.18.4.is.3.14.3-0ubuntu4 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Mon Apr 25 14:19:07 2016 EcryptfsInUse: Yes InstallationDate: Installed on 2013-10-28 (909 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) SourcePackage: nautilus UpgradeStatus: Upgraded to xenial on 2016-04-22 (2 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1574614/+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