this seems to happen on occasion in both unity (3d) & unity-2d
In the screenshot example have copied the text file & am trying to paste on Desktop.
The option is greyed out though if selected will work
quiting nautilus & retrying usually restore proper display
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: nautilus 1:3.3.5-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-16.25-generic-pae 3.2.6
Uname: Linux 3.2.0-16-generic-pae i686
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Thu Feb 16 15:38:38 2012
GsettingsChanges: org.gnome.nautilus.window-state geometry '800x550+67+82'
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120216)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)
You mean smth like that http:// oi41.tinypic. com/1sgi6r. jpg ?